Con l'augurio che queste feste di Natale diano felicità, pace, serenità e una ricarica per affrontare insieme a noi con entusiasmo l’anno nuovo! Check out the various features and functionality available on the Samsung Galaxy S10 5G. Key features 6.7" curved display 6 cameras 2 front / 4.
04/12/2019 · 5G Galaxy Note 10 on T-Mobile is the first Samsung phone to ship with Android 10. T-Mobile launched its nationwide 5G network earlier this week. This nationwide 5G network consisted of using the low-band 600MHz sub-6GHz spectrum that had earlier been used for 4G LTE. 12/08/2019 · T-Mobile announced last week that the new Samsung Galaxy Note10 and Galaxy Note10 will be available for preorder on its website. Samsung plans to deliver the 5G network on its Galaxy Note10 to T-Mobile’s Un-carrier customers by the fourth quarter.
If you were unaware, T-Mobile has just turned on its 600MHz 5G network with the Samsung Galaxy Note 10 5G and OnePlus 7T Pro 5G McLaren edition being the first 5G-capable devices on sale. The OnePlus 7T Pro already ships with Android 10 but the bigger news is that the Note 10 5G will come with the OneUI 2.0-based version of the mobile OS. T-Mobile's 5G plans will utilize a different radio frequency range than the range that is being used by its competitors like Verizon and AT&T. By doing so, one of their 5G towers can cover a much wider range than an AT&T or Verizon tower can. T-Mobile is offering up the Samsung Galaxy S10 5G. 01/07/2019 · T-Mobile has launched 5G data service in a few cities, offering downloads speeds of around 500 Mbps. The carrier says this is just phase one of its 5G deployment, and its proposed merger with Sprint would combine the best spectrum from both companies for more thorough coverage. 07/08/2019 · T-Mobile has now announced availability for Samsung's brand new Galaxy Note 10 family of phablet flagships and that includes the very first device that can take advantage of the carrier's 600 MHz 5G spectrum – the Galaxy Note 10 5G. Starting tonight at. 28/06/2019 · T-Mobile's 5G network is live in six US cities. Here's how it stacks up in one of them. T-Mobile is the fourth and final major US carrier to turn on its 5G network and today, with the help of a Galaxy S10 5G phone provided by Samsung, I'll become one of the first people to try it out. I've just run.
08/09/2016 · Samsung Electronics America announced it is collaborating with T-Mobile US on new demonstrations and lab tests designed to bring the power of 5G mobile networks to the masses. Through this collaboration, the companies will assess next generation network development in real-world mobile. 07/11/2019 · T-Mobile has announced that its nationwide 5G network, running on its 600 MHz spectrum, will launch on December 6th. There’ll be two phones available at launch: the Samsung Galaxy Note 10 Plus 5G and the OnePlus 7T Pro 5G. 04/12/2019 · Earlier this week, T-Mobile announced it was firing up its nationwide 5G network. In the same announcement, T-Mobile mentioned it would begin selling two 5G supported smartphones starting on Friday, the OnePlus 7T Pro 5G McLaren and the Samsung Galaxy Note10 5G. 30/11/2019 · Do you appreciate what SMT offers and want to support your favorite wireless news creator? Consider a small or occasional PayPal donation: paypal. 07/08/2019 · Samsung's 5G version of the new Galaxy Note 10 Plus will be heading to all four major carriers, but it won't be without some trade-offs. Verizon will get the $1,300 5G Note first, with AT&T, T-Mobile and Sprint all announcing their own plans to carry the phone later this year. But the differing.
02/12/2019 · T-Mobile’s 5G network goes live, OnePlus 7T Pro McLaren Edition available on December 6th. Last month, T-Mobile announced its plans for rolling out its 5G network among other post-Sprint merger plans. Today, the company went ahead and flipped the switch for its 5G network, though no one can actually use it until later this week. 02/12/2019 · Early last month, T-Mobile announced that it would launch its T-Mobile 5G network on December 6. Today, to everyone’s surprise, T-Mobile went ahead and set it loose four days early, becoming the first nationwide 5G wireless service in the United States. The carrier even published an interactive 5G. AT&T Now Confirms 3 Mobile 5G Devices to Date Coming on the heels of yesterday’s announcement, we’re pleased to announce we’re working with Samsung to bring another standards-based 5G device to AT&T customers in 2019. 12/12/2019 · T-Mobile CTO Neville Ray ripped into AT&T and Verizon in a blog post about their and its own 5G deployment plans. In so doing, it has tacitly confirmed that it will have the first 5G phone to be produced by Samsung, much like the other three carriers have announced. America’s First Nationwide 5G Network Is Here T-Mobile lights up the first nationwide 5G network, first nationwide prepaid 5G with Metro by T-Mobile and first 5G devices that work nationwide, ushering in a new era of 5G accessibility and affordability in first step toward 5G for All with New T-Mobile. This holiday season, get a FREE 5G phone.
T-Mobile remained quiet when AT&T, Verizon, and Sprint all confirmed plans to carry a 5G Samsung phone next year, but T-Mo customers needn't worry, because they'll be getting that device, too. 11/07/2019 · T-Mobile's 5G network has officially launched in the U.S., though it's not with the 600MHz frequency we were all expecting, but with millimeter wave, just like Verizon's existing 5G network. The Samsung Galaxy S10 5G is now available from the carrier, and you can connect to 5G in six cities. AT&T Business Launches Its First Mobile 5G Phone with the Samsung Galaxy S10 5G. Our New AT&T Business Unlimited Preferred Plan includes Access to the AT&T 5G mmWave Network at No Additional Cost. AT&T Creator Community Continues to Build the Highway to New 5G Experiences.
02/12/2019 · Samsung Galaxy S10 5G arrives at T-Mobile; The best deals available at T-Mobile August 2019 Cheap cell phone plans that use the T-Mobile network; Note: Select outbound links may include affiliate tracking codes. Revenue generated from any potential purchases is used to. T-Mobile 5G phones and devices. T-Mobile initially sold just the Galaxy S10 5G, but that that was when it was rolling out millimeter-waved-based coverage. The bigger network launch has brought two phones compatible with its new towers. T-Mobile now offers Samsung's Galaxy Note 10 Plus 5G. T-Mobile will sell the Samsung Galaxy S10 5G, which it’s said will launch this summer. That devices supports millimeter wave mmWave spectrum, which T-Mo also plans to use for its 5G network. That spectrum offers high speeds but over shorter distances, though.
T-Mobile has only confirmed one 5G phone so far—the Samsung Galaxy S10 5G. Since T-Mobile is using 600MHz waves for its 5G network, compatible 5G phones will take longer to arrive compared to other carriers using traditional millimeter wave 5G technology.
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I’ve officially spent the better part of a month rebuilding my home network, following a gigabit internet upgrade in late June.
As someone who writes about networking for a living, you’d think I’d have a better grasp on it. Well, I’m sorry to disappoint, but in my defense, it’s not entirely my fault. Google is every bit to blame as is my hubris. No, not Google search or my inability to use it, Google WiFi.
You see, when we made the switch to fiber, I really wanted to keep our Google WiFi system. As mesh networking gear goes, it’s actually pretty good for the money and has served us well for the better part of two years.
The problem is our Google WiFi didn’t exactly play nice with our fiber to the home installation. So I guess CenturyLink is at least partially at fault for this too.
Honestly, at this point, I’m simply justifying the $400ish of enterprise networking gear I somehow convinced my fiancé we definitely needed.
Why not. Faster internet is better right? Well, sort of. More reliable internet trumps fast internet and speed was only part of the consideration.
When we moved into our place a year ago, I begrudgingly became a Comcast subscriber. CenturyLink’s gigabit internet service wasn’t available yet, and we really didn’t need anything that fast either.
Honestly, I’ve never needed much more than 100 Mb/s on the downstream, but I’ve often found myself cursing Comcast’s dinky 5 Mb/s upload cap.
Come spring, and with the onset of a global pandemic, we were suddenly working from home and unsurprisingly we started experiencing the occasional outage.
Since we were going to be working from home for the foreseeable future, and our contract with Comcast was set to expire the end of July, we made the switch without reservation.
Little did we know this upgrade would have us completely rebuilding our entire home network.
The install itself actually went pretty quickly and only required me to snake a fiber optic cable through my surprisingly clean crawlspace. I am happy to report I experienced exactly zero Indiana Jones moments while down there.
I only ran into trouble when I tried to plug our Google WiFi router into the modem — technically it’s an optical network terminal since we’re using fiber — only it wouldn’t connect.
An hour and a half of Googling later, I discovered the problem. For some inexplicable reason, CenturyLink thought it was a good idea to use both PPPoE — an authentication protocol which the Google WiFi supports — and VLAN tagging which it most certainly does not.
VLAN tagging is commonly used to virtually segregate traffic across a network. Devices configured with the right VLAN tags can see the traffic, while those that aren’t can’t.
While PPPoE authentication isn’t all that uncommon, especially among DSL providers, as far as I can tell CenturyLink is using VLAN tagging as a cash grab to force less technically-inclined customers to pay for their janky wireless router. I could be wrong, but I can’t think of a better reason for doing it this way.
A smart solution
Thankfully, I wasn’t the only one who’d run into this problem. Lots of Google WiFi users had discovered CenturyLink’s VLAN-tagging shenanigans. The good news, the fix was pretty simple. The bad news, it wasn’t free, and ultimately it only solved half the problem for us.
This trick can be used with any router that doesn’t support VLAN tagging, and involves placing a managed switch configured with the proper VLAN tags — CenturyLink uses 201 — between the router and modem.
From there, enter your PPPoE credentials into your router and everything should connect. You can even configure the other ports on the switch to use a different VLAN to expand the number of LAN ports available, but you will need to run another cable to the router’s LAN port.
While this technically did work, it revealed another problem. PPPoE support on the Google WiFi doesn’t appear to be hardware accelerated. This means the CPU has to handle the authentication in software, resulting in considerable overheads.
You probably wouldn’t notice on a slower connection, but at gigabit speeds, we experienced overheads of anywhere between 40% and 50%.
A faster router
The solution seemed obvious: if the Google WiFi wasn’t going to work, we were going to need a new router, but which one?
I could have easily spent a few hundred dollars on a fancy WiFi 6 router and called it a day, but let’s face it, most high-end wireless routers look like they belong in a low-budget Transformers movie. Seriously, can’t there be a high-end router that doesn’t look like an Alien face hugger?
Instead, I ended up going the enterprise route and picked up a Ubiquiti EdgeRouter Lite. The EdgeRouter line is actually targeted at wireless internet service providers, but at a little over $100 for a router capable of processing a million packets per second, it has become quite popular among enthusiasts.
Now, this isn’t your standard wireless router. In fact, it’s just a router. For wireless access, we’d need a dedicated wireless access point.
But since I really wanted to continue using our Google WiFi pucks for their mesh networking capabilities, we planned to use the EdgeRouter for VLAN tagging and PPPoE authentication. That way the Google WiFis could do what they do best: fill our house with that sweet, sweet WiFi goodness.
Double the NAT, Double the trouble
But nothing worth doing is easy. At least that’s what my mother would tell me when I didn’t want to do my math homework anymore.
And it wasn’t long after I had everything up and running that I discovered how annoying double NATs are. For those unfamiliar, NAT stands for network address translation, and it’s what routers are really good at. A double NAT happens when you plug a router into a router, and it can result in higher overheads, firewall conflicts and in our case some strange network instability.
Now to save you some time, I recently discovered the Google WiFi supports a bridge mode. Once enabled, NAT functionality is disabled, effectively turning it into an access point. You will lose out on the mesh networking capabilities along with some of the software-defined networking functions, but it will do the job in a pinch. To achieve this, open the Google WiFi app, navigate to settings, advanced networking, and set the networking mode to bridge.
Bring in the WAPs
At this point, I’d pretty much given up on the Google WiFi and decided to pick up a couple of used enterprise wireless access points — WAP or AP for short — on eBay.
We placed one access point in our living room and the second close to an exterior wall of my office. The first would provide wireless connectivity to most of the house, while the second was positioned to maximize backyard connectivity.
However, getting the access points dialed in took a few weeks of fine-tuning. Since we live across the street from a school with dozens of access points, interference was something we needed to take into consideration.
We also didn’t want to cause problems for our neighbors, many of whom are also working from home. This meant turning down the transmit power on the access points considerably.
Here’s how we configured our access points to provide high throughput while still being neighborly.
|AP 1||AP 2|
|Radio 1: 2.4 GHz||Radio 1: 2.4 GHz|
|Channel: 6 (Auto)||Channel: 1 (Auto)|
|Channel Width: 20 Mhz||Channel Width: 20 Mhz|
|Tx Power: 11 dB||Tx Power: 11 dB|
|Radio 2: 5GHz||Radio 2: 5GHz|
|Channel: 48||Channel: 153|
|Channel Width: 80 Mhz||Channel Width: 80 Mhz|
|Tx Power: 16 dB*||Tx Power: 16 dB|
By lowering the Tx power and using wide channel widths on the 5 GHz band, we were able to achieve high-speed connections while limiting our impact on our already crowded WiFi neighborhood.
Using my 2014 MacBook Pro connected to a 5 GHz connection with 80 MHz wide channels, I consistently achieved real-world upload and download speeds in excess of 600 Mb/s using Netflix’s Fast.com speed test. The best our Google WiFi routers had ever mustered was around 500 Mb/s, and that was with a single client connected.
This, however, is kind of a best-case scenario and assumes you’re connecting to an AP and device that support three spacial streams. Since most of our devices only support two streams, connectivity is limited to between 450 Mb/s and 550 Mb/s depending on range and interference. Still, that’s plenty fast for WiFi as far as I’m concerned.
More importantly, the access points have been rock solid, even when confronted with multiple Zoom, Microsoft Teams, or WebEx calls. My fiancé and I spend much of our week in meetings or on the phone, so reliable WiFi was an absolute must.
A word of caution
While this worked for us, I don’t recommend running off to eBay and picking up the cheapest enterprise access point you can find.
The tricky thing about old enterprise gear is it’s often tied to expensive software licenses. So while you can find used wireless access points for a few bucks on eBay, they may not work without expensive controller software. You can also run into weird registration issues if the access point hasn’t been disconnected from the previous owner’s controller. And don’t expect a lot of help from the manufacturer if you run into trouble.
If you do go down this road, make sure you do your research so you know what you’re getting into.
A much safer bet is to pick up a couple of Ubiquiti Unifi AC wireless access points. New, these can be had for as little as $80 or about $50 used on eBay. The important thing is the Unifi controller is free and runs just fine on a Raspberry Pi or in a virtual machine.
If you do decide to go with Unifi APs, I’d also recommend swapping the EdgeRouter Lite for Ubiquiti’s Unifi Security Gateway. Functionally, it’s the same as the EdgeRouter but is specifically designed to work in conjunction with the Unifi Controller and APs.
So, was it all worth it? Ah… that’s debatable.
As I mentioned earlier, I could have picked up a high-end WiFi 6 router for a few hundred bucks and called it a day. And that’s really my recommendation for anyone who runs into trouble while upgrading to a gigabit internet connection.
If you want the absolute greatest flexibility, are technically inclined, and you don’t mind spending a few weeks troubleshooting, going the enterprise route is an excellent option.
And since you’re unlikely to replace your router, switch and access points all at the same time, it could save you money in the long run. This was actually one of the reasons that I decided against going with a more traditional wireless router.
Perhaps the biggest pay off to this upgrade has been the WiFi performance. Even though our access points only support the older 802.11 AC wireless standard, they consistently provide better coverage and speeds than our Google WiFi mesh network ever had. And since both were hardwired to a power over Ethernet (PoE) switch, there was only one wire needed for power and connectivity. Best of all, they look less like Alien face huggers and more like big smoke detectors.
All in all, I’m pleased with our network upgrade, even if it turned into a month-long headache.
And for anyone wondering, my Fiancé hasn’t called off the wedding.
What do you think? Share your thoughts in the comments below:
- Have you embarked on a network upgrade recently?
- Did you have any problems with your gigabit internet upgrade?
- Which do you prefer? The simplicity of an all-in-one wireless router or dedicated routers, switches and APs.
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Remote Location Network
This is my standard build out for one of our remote locations.
This rack contains (top down):
- 24x port patch panel
- 24x port switch w/12 ports PoE
- 4U PC over IP virtual machine server
- 2U Battery backup
The FS726TP switch is configure with 2x VLANS, ports 1-12, and 25 are one VLAN, ports 13-24, and 26 are another VLAN.
The first VLAN is PoE on ports 1-24, and this allows us to supply power to our PoE VoIP phones (yellow cables). Port 25 is the uplink for the VoIP system.
The second VLAN, is standard 10/100 with a 1000 on port 26. We connected the end user terminals to ports 13-24 (white cables), and we connect port 26 to our Virtual Machine server.
If power should go out in our building the battery backup will continue to power our phones, as they receive power via PoE.


Cell phones quotes the most important impact on society and the world is the cell phone cell phones have actually been one of the primary drivers in productivity improvements. Satellite phone buyer's guide - 2018 discover how the top satellite phones compare the comparison chart below is designed to help you select the satellite phone best suited for your needs including quality of service (qos), potential limitations, and advantages one satellite phone may have over another. The number of mobile phone users in the world is expected to pass the five billion mark by 2019 in 2016, an estimated 629 percent of the population worldwide already owned a mobile phone. Also, cell phones have a new function: text messaging text messaging is harming the communication skills of the present and future generations texting dialect is the lazy way to write.
Under the law, fda does not review the safety of radiation-emitting consumer products such as cell phones and similar wireless devices before they can be sold, as it does with new drugs or medical. Online communication and adolescent relationships vol 18 / no more information about new entrants into their offline world subrahmanyam and greenfield note that adolescents’ online interactions with strangers, while the challenge for schools is to eliminate the negative uses of the internet and cell phones in educational settings. The mobal classic world phone provides you with excellent coverage in over 190 countries no more sim card swapping each time you arrive in a new country - this seamless service automatically connects to the local network each time you arrive in a new country.
This article reviews some of the available home phones and cell phones that cater for the hearing impaired what is a text phone a telecommunications device for the deaf (tdd) is an electronic device for text communication via a telephone line, used when one or more of the parties has hearing or speech difficulties. How the cell phone has changed our lives the cell phone, or mobile phone, has become a large part of our american culture lg, a large manufacturer of cell phones in korea, is working on a new mobile phone that will also work as a breathalyzer 1197 words | 5 pages the world has come very far with respect to technology in reality. Cell/vhf marine radio comparison cell phones do provide the convenience of simple, easy-to-use, inexpensive, private and generally reliable telephone service to home, office, automobile or other locations.
Phones & tablets phones & tablets phones & tablets iphone xs, xs max, xr iphone xs, xs max, a9 chip long battery life 2 comes with ios 11, which sets a new standard for the world's most advanced mobile operating system manual and tutorial specifications near field communication (nfc). Evolution of communication is our latest ebook that explores the development of human communication methods from prehistoric times until today this is the final blog of a three-part series that highlights the in-depth information available in that publication. The new research suggests that cell phones may serve as a reminder of the wider network to which we could connect, inhibiting our ability to connect with the people right next to us cell phone.
Today there are over one billion cell phones in use, with a prediction that between the years of 2010 through 2020, everyone who wants and can afford a cell phone will have one (rosen, 2004, para 1. Life without cell phones introduction we have become a society that is totally dependant on communication devices to make our world go round we have technology today that allows us to keep in almost constant contact with one another. Two billion people on the planet use cell phones, according to james katz, professor of communication at rutgers university in fact, there are more cell phone subscribers in the united states.
Cell phones have vastly changed the way we communicate today a cell phone can be all you need for communicating from a cell phone you can make calls, text message, bbm message, email, send and receive directions, go on the internet, buy things, do online banking, listen to music and much more. Verizon wireless is the leading cell phone service provider in the united states, with over 140 million customers verizon is famous for quality of service and coverage with what is known as the strongest lte network. Cell phones overview  history of the cell phone  in 1973, martin cooper of motorola made the first call on a portable cell phone this phone sold for $3,500 in 1983 as technology progressed, cellular systems began to sprawl across the united states. At&t, globe logo, and directv are registered trademarks and mobilizing your world is a service mark of at&t intellectual property and/or at&t affiliated companies all other marks are the property of their respective owners.
Most phones can been placed into one of three categories: cell phones, feature phones and smartphones understanding the differences between the different major types of cell phones will help you understand which type will suit your needs. Accessibility features help people with disabilities get the most out of their new iphone xs with built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can fully enjoy the world’s most personal device. Cell phones affect society in a variety of positive and negative ways cell phones improve communication and give people access to a broad range of information no matter where they are however, studies by the pew research internet project suggest that people have the tendency to let cell phones. By comparison, cellphones often require little or no startup expense and typically include nationwide long distance the lack of a landline phone can be a disadvantage for businesses, however.


Find your nearest Sky WiFi hotspots – and see which have Sky Sports as well
The Cloud WiFi Finder has been rebranded and we’re now Sky WiFi Finder — you’ll still connect to The Cloud to get online at thousands of hotspots across the UK and now you’ll start to see our Sky background shining through.
• We’ve updated the Help & Support section with info about Sky WiFi.
• Easily search for the nearest Sky WiFi venue with Sky Sports.
As always, please contact our customer service team on [email protected] for any assistance.
Potentially dangerous permissions
- ACCESS_FINE_LOCATION: Allows an app to access precise location. Alternatively, you might want ACCESS_COARSE_LOCATION.
- READ_EXTERNAL_STORAGE: Allows an application to read from external storage.
- READ_PHONE_STATE: Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
- WRITE_EXTERNAL_STORAGE: Allows an application to write to external storage.
- ACCESS_NETWORK_STATE: Allows applications to access information about networks.
- ACCESS_WIFI_STATE: Allows applications to access information about Wi-Fi networks.
- BROADCAST_STICKY: Allows an application to broadcast sticky intents. These are broadcasts whose data is held by the system after being finished, so that clients can quickly retrieve that data without having to wait for the next broadcast.
- CHANGE_WIFI_STATE: Allows applications to change Wi-Fi connectivity state.
- INTERNET: Allows applications to open network sockets.


Rome, Italy – 13 December 2022 - SecurityGen
global provider of
security solutions and services for the telecoms industry, today announced the launch of its
new 5G Cyber-security Lab. This Lab is an innovative solution designed to help MNO
security teams study and understand 5G networks, thus enabling them to prepare and
protect their networks against potential security threats.
The 5G Cyber-security Lab is a compact simulation of a 5G environment, with all the
significant pieces of 5G within it enabling security teams to study telecom technologies in
detail and explore the environment safely. SecurityGen has created the Cyber-security lab
as a training platform for MNO security teams to explore and expand their knowledge of 5G
and the range of threat vectors associated with it: and to also test and validate solutions and
techniques to ensure the safe and secure rollout of 5G networks and use cases.
Commenting on the launch, SecurityGen co-founder and CTO Dmitry Kurbatov said, “The
thinking behind the 5G Cyber-security lab is based on a simple logic – to accomplish
something new, you must properly understand the subject. This applies to 5G networks as
“With our deep expertise in telecoms security, we have designed this Lab to be focused on
providing MNO security teams with a simple, cost-effective, and security-centric environment
that is the perfect set-up for them to test, understand, and better prepare and protect their
networks against the security threats associated with 5G,” he explained.
“Coming straight from our R&D team, which has been using this simulated environment to
study the 5G security context, our new Lab is uniquely targeted at the security teams within
the network operator groups. Now with the 5G Cyber-security Lab, MNO security teams can
gain an in-depth understanding of the ways in which 5G can be hacked. The new lab helps
them define a list of security requirements and enables them to prove and test efficient ways
to protect the network against potential threats.
“While there are plenty of simulation platforms for IT available, the 5G Cyber-security Lab
stands out because it simulates telecom infrastructure, which is significantly different from IT
network environments. The lab is the perfect set-up for telco security teams to test,
understand, and better prepare and protect against the security threats associated with 5G,
before, during or after the actual network rollout.
“We started with the idea of building sort of a ‘gym’ where MNO security teams could
practice and perfect their 5G game. Our new lab is the ideal environment for operators to
ensure a secure and successful transition from their legacy networks to 5G,” concluded
About SecurityGen Cyber-security Lab
The new Lab is entirely 5G security-focused, enabling teams to undertake a deep-dive
examination of 5G to identify vulnerabilities and verify new attack techniques. Not only is it
built on recognisable SBA elements of the 5G environment, such as AMF, SMF, UPF, NRF,
AUSF, and others, it is highly customisable for vertical use cases and dedicated networks.
To know more : www.security-gen.com
Founded in 2022, SecurityGen is a global company focused on
telecom security. We deliver a solid security foundation to
drive secure telecom digital transformations and ensure safe
and robust network operations. Our extensive product and service
portfolio provides complete protection against existing and advanced telecom


JDM Trivia #6: 1981 Nissan Drive Guide System
This weeks trivia is all about the 1981 Nissan Drive Guide system which was basically a crude navigation system for the Nissan Skyline DR30 and the Nissan Gazelle and Silvia S12. Nobody took a wild guess at the teaser from last week, but I’ll get to the purpose of the antenna in this episode!
In the 1970s the most advanced navigational system in your car was…a road atlas and a compass! Of course the US military was solving that problem by shooting up GPS satellites from 1973 onwards but the automotive industry also made attempts. In the 1980s in Germany and the US companies used antennas to send signals via various radio frequencies but this was very costly. Meanwhile in Japan Toyota, Honda and Nissan made their own attempts to solve the car navigation question.
1980s Japanese Navigational systems
In 1981 Honda implemented a system called Electro Gyrocator and this system breathed tech savvy Hondaness as the system used an Helium gas gyroscope to detect both rotation and movement. The complex system required printed plastic maps and if you are interested in more photos and background information, Japanese Nostalgic Car blog wrote an article about it. In the same year Toyota implemented a system on their Celica XX but I was not able to find any information about how that system worked.Continue reading


CCNP Security, an acronym for Cisco Certified Network Professional Security is a certification program which is associated exclusively to the job role of the Web Security Engineer accountable for security in networking devices/appliances, routers & switches as well as in selecting, deploying, supporting and trouble-shooting the Firewalls, VPNS, IDS/IPS solutions for their networking environments.
To attain the Cisco CCNP security certification, one must pass the following exams:
· 300-208 SISAS (Implementing Cisco Secure Access Solutions)
· 300-206 SENSS (Implementing Cisco Edge Network Security Solutions)
· 300-209 SIMOS (Implementing Cisco Secure Mobility Solutions)
· 300-210 SITCS (Implementing Cisco Threat Control Solutions )
CCNP Security certification has a long list of advantages attached to it.
· It is the third level of accreditation for a candidate following the Cisco certification track.
· Can easily be followed by the expert level CCIE and architect level CCArc.
· It is best suited course for network analyst &engineer, system engineer and IT team leader.
· Safeguarding data going through a shared or public network setting by utilizing and managing VPN solutions from Cisco.
· Setting up advanced security solutions to reduce external threats and secure network devices.
· Understanding and Deploying Cisco secure access techniques.
A valid CCNA Security certification or any CCIE certification work as prerequisite.
300-208 SISAS: This exam tests the knowledge of a network security engineer about the components and architecture of secure access by utilizing 802.1X & Cisco TrustSec. Knowledge about overall network threat mitigation & endpoint control solutions is also assessed. The test includes the fundamental concepts of bring your own device (BYOD) using posture and profiling services of ISE.
300-206 SENSS: This exam tests the knowledge of security engineers to customize and implement security on Cisco network devices such as a Cisco switch, Cisco router, and Cisco ASA firewall. This exam focuses on the technologies used to strengthen security of a network perimeter such as NAT, ASA policy and application inspect, and a zone-based firewall on Cisco routers.
300-209SIMOS: This exam tests a network security engineer’s knowledge and capability on the variety of Virtual Private Network (VPN) solutions. This exam assesses the trainee knowledge necessary to properly implement highly secure remote communications through VPN technology.
300-210 SITCS: This exam tests hands on advanced firewall architecture and configuration with the Cisco next-generation firewall.The candidate has to give separate exam for each module.Simulated tests and lab software also comprises part of exam training kit.The time period or duration of exam is 90 minute. There are 65-75 questions in modules 300-206 SENSS, 300-209 SIMOS and 300-210 SITCS. In 300-208 SISAS exam there are 55-65 questions. The candidates can opt for any language out of English and Japanese.


Voice over Internet Protocol (VoIP) is a phone system that’s been around for over two decades. Though that may seem surprising, it actually makes sense because that’s about how long the internet has been mainstream, and VoIP needs an internet connection to function. Small- and mid-sized businesses (SMBs) should definitely consider VoIP if they want to advance in the future.
First, we’d like to give you a quick rundown of what SMBs get from a robust VoIP calling plan today:
Convenience – It’s easy to manage.
Scalability – It’s even easier to expand.
Economy – Calls over the internet are cheap.
Portability – Access from anywhere with high-speed internet.
Efficiency – Attach emails, send e-faxes, conduct virtual meetings, etc.
These are the core qualities that make VoIP systems so beneficial to SMBs. But how will value propositions like these be affected by future telephony trends? Could advances in internet technology possibly have adverse effects on VoIP, or will the two continue moving in harmony?
Here’s how VoIP and the internet are changing the future of businesses today.
The cloud + VoIP
Many companies’ first step away from their traditional phone system is to a premise-based VoIP system. It’s a great option, but one that may not fully capture all the benefits of VoIP such as lower costs and easy expandability.
A better solution is “hosted VoIP.” Because your whole VoIP system is cloud-based, you have low upfront costs, lower maintenance costs, and the lowest hardware costs.
The future of VoIP is already here. So if you think your business would benefit from a cutting-edge VoIP solution, contact us today.


Donald Leimer spoke to the Southern California Section on Thursday, October 25, 2012 at John Deere. Mr. Leimer’s talk is SiRFusion™ There were about 40 in attendance. A brief bio and abstract of the talk follows. His presentation is attached.
Abstract of Mr. Leimer’s Talk: SiRFusion™ (Presentation Slides)
GPS receivers are found on nearly every smart phone today enabling a wide range of location-based services such as mapping, search, and navigation. Users expect their devices to work in all environments including indoors, parking garages, and in dense urban canyons. Recent advancements in Assisted-GPS technology have enabled improved positioning indoors, but GNSS receivers are still not sensitive enough to determine position everywhere that users carry their devices. Any solution to improving coverage and accuracy indoors must be low cost and low power.
This talk introduces a new product from CSR Technology, Inc. – SiRFusion™ based on the SiRFstarV™ location chips. This ground-breaking receiver combines the latest A-GPS and A-GLONASS advancements with Wi-Fi positioning and dead reckoning using low-cost Micro-Electro-Mechanical Systems (MEMS) sensors. Smart phones are equipped with an increasing array of MEMS sensors including accelerometers, magnetometers, gyroscopes, and barometers. The SiRFstarV chip acts as a gateway to receive input from all available MEMS sensors so that the output signals can be combined with the GPS, GLONASS, and Wi-Fi measurements. The observations from all of these sources are fused together using a Kalman Filter. Smart location management is employed to make use of the best combination of sensors at any given time in order to maximize coverage and accuracy while keeping power draw to a minimum. The result is continuous position availability in indoor environments.
To achieve these results, the system also uses data from a server for A-GPS, A-GLONASS, extended ephemeris data, and Wi-Fi positioning data. The improved coverage and accuracy indoors allows the system to crowd source the location of Wi-Fi access points indoors to a better level of accuracy than previously possible without surveying the sites. This in turn allows devices even without MEMS sensors to perform better than previously possible indoors.
Capsule Biography of Donald Leimer
Don Leimer is Vice President of Advanced Development for CSR Technology. He is currently leading new GNSS and location technology development for consumer GNSS products. He has been a major contributor to the development of two generations of SiRFstar GNSS and related wireless chips at SiRF Technology, now a part of CSR Technology. Mr. Leimer has over 40 years experience in wireless communications and GPS projects, including the GPS Phase I military program at Magnavox Advanced Products & Systems Division.


When deploying a model, the possibility to choose an execution profile allows the user to determine the level of events when a service is running.
These events are sent to emitters that are registered on the service topic.
Three profiles are available, sorted based on the amount of information emitted:
The main difference between those profiles is the number of messages emitted and the content of the messages. Each profile adds more information on top of the less detailed one.
Information about messages structure is available in the link:
Within that profile, only two messages are emitted on the service topic:
A service started to run.
A service finished to run.
Within those profiles, all messages emitted with the Production profile will also be emitted when a service runs, plus messages related to nodes lifecycle will be emitted.
A node has been triggered.
A node has been left.
The only difference between Audit and Debug profiles is about the payload’s content. Those differences are described as well in the link:
/publicapi/doc-events. When a field is set to be available in a specific profile only, it is mentioned through brackets. Also, if a field is specific to a type of node, information is also placed between brackets.


Juniper Networks is a company that specializes in the development and manufacturing of networking equipment, including routers, switches, and security devices. Juniper products are used in a variety of applications, including Juniper Networks Operating System, service provider networks, and data center networking.
Some of the Juniper products that are commonly used in enterprise and service provider networks include:
Routers: Juniper Networks offers a range of routers that are designed for different networking environments, such as edge routing, core routing, and data center routing.
Switches: Juniper Networks offers a range of switches that are designed for different networking environments, including data center switching, campus switching, and service provider switching.
Security devices: Juniper Networks offers a range of security devices, including firewalls, VPN concentrators, and intrusion prevention systems.
Juniper Support Portal is a web-based resource that provides access to technical documentation, software downloads, and support resources for Juniper products.
Juno’s operating system is the software that powers many Juniper networking devices. It is a scalable, reliable, and high-performance networking platform that is used in a variety of networking environments.
If you are working with Juniper networking devices, you may find it helpful to familiarize yourself with the Juniper switch commands that are used to configure and manage these devices. There are many resources available that can help you learn these commands, including the Juniper documentation and online tutorials.
In a data center environment, Juniper Networks offers a range of networking solutions that are designed to meet the demands of high-performance computing and storage. These solutions include switches, routers, and security devices that are optimized for data center environments.
Contact us today to learn more about how we can help you provide the best possible customer service!


TANYA PRAGYA KENDRA
ALL IN ONE SOLUTION SHOP
All in one solution center like adhar, pan, voter, land related....etc etc..
The Ministry of Electronics and Information Technology is a full-fledged ministry under the Union Government. It was formed after bifurcation of Department of Electronics & Information Technology from the Ministry of Communications & Information Technology in 2016.
e-Development of India as the engine for transition into a developed nation and an empowered society.
For more information please click here Ministry of Electronics & Information Technology


In the Internet of Things industry, as long as you are an embedded engineer, you will generally be exposed to RS232, RS485, TTL these concepts.
Are you encountered this concept on Baidu search it, below for you to organize the RS232 and RS485, TTL interface differences.
Electrical characteristics of the RS232 interface The voltage of any signal line in RS-232-C is a negative logic relationship.
That is, the logical “1″ is -3 to -15V, and the logical “0″ is from 3 to 15V. RS-232-C connectors are generally modeled DB-9 plug holders, usually plugs at the DCE end and sockets at the DTE end. The RS-232 port of the PC is a 9-core needle socket. Some devices are connected to the RS-232 interface to the PC because only three interface lines are required, namely “send data TXD”, “receiving data RXD” and “signal-to-ground GND” without using the transmission control signal of the other party.
The RS-232 transmission cable uses a shielded twisted pair.
Electrical characteristics of the RS485 (now more commonly used interfaces) RS485 uses differential signal negative logic, the logic of “1″ is represented by the voltage difference between the two lines as -(2 to 6) V, and the logic “0″ is represented by the voltage difference between the two lines as plus (2 to 6) V. The interface signal level is lower than THE RS-232-C, it is not easy to damage the interface circuit chip, and this level is compatible with the TTL level, can be easily connected to the TTL circuit.
The RS-485 has a maximum data transfer rate of 10Mbps.
TTL level TTL level signals are most used because the usual data representations are binary, with 5V equivalent to logic “1″ and 0V equivalent to logic “0″, which is known as ttl (transistor-transistor logic level Transistor-Transistor Logic) signal system.
This is the standard technology for communication between parts of the device controlled by the computer processor.
The difference between RS232 and RS485, TTL
1, RS232, RS485, TTL refers to the level standard (electrical signal)
2, TTL level standard is low level 0, high level is 1 (ground, standard digital circuit logic).
3, RS232 level standard is a positive level of 0, negative level of 1 (to the ground, positive and negative 6-15V can be, and even with a high resistance state). 4, RS485 and RS232 are similar, but the use of differential signal logic, more suitable for long-distance, high-speed transmission.
Post time: Jul-24-2019


Read the advertisement and find words in the text that match these definitions.
1 change something to make it suit a special purpose
2 add electronic information to something, e.g. a
3 the position of something_________
4 changing written or printed words to data that a
computer can understand_____________
5 give information__________________
6 a word used to show that something is completely
correct and true_______________________
7 stored information, e.g. on a computer______________
8 a small part inside smartphones and other devices that measures change of speed, e.g. if someone drops it________________
With our fabulous new hand-held devices, your mobile workers can be safer and more productive at the same time! Have no more paperwork that takes up workers' time and that can get lost! Know where your workers are at any time!
We can customise devices for any situation. As an example, let’s look at devices that we’ve customised for traffic wardens:
• The devices have cameras and GPS so the warden can take photographs of illegally parked cars. The device automatically tags the photographs with location and time. Then optical character recognition (OCR) technology can read the car’s registration number from the photograph and transmit it wirelessly to a central database. The warden saves time because there is no data entry.
• The devices continuously report the warden’s location back to the control centre. So if there is a problem, the control centre knows exactly where the warden is and who to contact.
• Because most of the data is kept electronically, record keeping costs are lower.
• Being a traffic warden can be dangerous. The accelerometer in the device automatically sends a message if it falls, unless the user presses the ‘Cancel’ button immediately. Then the control centre can call the police.


Lutgun International LLC has been working with Oyu Tolgoi since 2012. During this period, we have been supplying the equipment and inventories needed for the project in a quick, continuous and secure way.
Furthermore, in 2017 our company was awarded a long-term contract with Jacobs Engineering Co.
Ltd to supply low, mid, high voltage power, control and instrumentation cables to the Oyu Tolgoi underground development project. In this project, we are cooperating with the world’s renowned cable manufacturing corporations such as Prysmian Group, ZTT Cable and Hanhe Cable to supply variety of cables and wires that could meet the technical specifications of the Oyu Tolgoi mine site’s extreme weather condition and in phases according to the project's construction schedule.As of the first quarter of 2018, we have successfully supplied more than 600,000 metric various cables, and according to the project plan the supplying will continue until 2021.


Under the instructions of our team of talented engineers, our company is providing the top quality range of the Cable Tray Systems. It is a type of cable management system to support and route electrical cables, which are available in various sizes and configurations. Our products are used for both indoor & outdoor installations and suitable for a wide range of applications such as data networking, telecommunications, power distribution, etc. They are made up of a series of interconnected metal trays that allow for proper ventilation and cable management. Furthermore, we also customize the Cable Tray Systems in different specifications and at pocket-friendly prices.


HF 1/4 Wave Verticals
Magnum-160VX2 - $ 2449.00
The Magnum 160-VX2 is an electrical quarter wave vertical for the 160 meter band. It can be tuned over a wide frequency range, approximately 1.780 – 1.950 MHz. It is physically about 62’ tall and can be mounted at ground level, or elevated. The loading used is a high Q, air-core, base-loading coil, made of 3/8” diameter aluminum tubing, wound on a 5” diameter form. The Magnum 160-VX2 is designed to present a low profile and withstand winds in excess of 90 mph. It needs to be guyed only once using non-conductive line and comes with one set of welded guy ears. The Magnum 160-VX2 is constructed of both thick wall and thinner wall tubing in a tapered design. The base is a hinge mount made of ½” thick aluminum plate. The base loading coil is a manually-tuned Tornado unit that physically expands and contracts the coil. A motor drive Tornado is optional for remote tuning.
The Magnum 160-VX2 is insulated from the aluminum base using large diameter solid, pultruded fiberglass rod. It is fed with 50 ohm coax through either a 1:1 balun or RF choke. It is matched using a helical hairpin (copper coil) placed across the feed points. Two (2) full length, elevated radials should be used. An extensive buried radial system can also be used to reduce the near-field losses of the entire antenna system.
The radials are the current return for the vertical antenna. For this purpose, the most efficient is to have them elevated above the ground. This technique de-couples the radials from the ground, which minimizes ground losses. Through real-time testing, the radials should be elevated about 16’ above the ground.
The Magnum 160-VX2 is very efficient due to the large diameter and high Q loading system, although the antenna is less than 50% of full size. With the antenna matched and using two (2) elevated radials, the expected 2:1 VSWR bandwidth is on the order of 42 kHz.


Vertical Available, Demo Only
Satellite TV Service Providers
It is delivering television programming using signals relayed from space radio stations (e.g. DVB satellites). The signals are received via an outdoor parabolic reflector antenna usually referred to as a satellite dish and a low-noise block downconverter(LNB). A satellite receiver then decodes the desired television programme for viewing on a television set. Receivers can be external set-top boxes, or a built-in television tuner. Satellite television provides a wide range of channels and services, especially to geographic areas without terrestrial television or cable television.
The most common method of reception is direct-broadcast satellite television (DBSTV), also known as “direct to home” (DTH). In DBSTV systems, signals are relayed from a direct broadcast satellite on the Ku wavelength and are completely digital. Satellite TV systems formerly used systems known as television receive-only. These systems received analog signals transmitted in the C-band spectrum from FSS type satellites, and required the use of large dishes. Consequently, these systems were nicknamed “big dish” systems, and were more expensive and less popular.
The direct-broadcast satellite television signals were earlier analog signals and later digital signals, both of which require a compatible receiver. Digital signals may include high-definition television (HDTV). Some transmissions and channels are unencrypted and therefore free-to-air or free-to-view, while many other channels are transmitted with encryption (pay television), requiring a subscription.
Wading River is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States, on the North Shore of Long Island. As of the 2010 census, the CDP population was 7,719. It is adjacent to Shoreham and shares a school district.
Most of Wading River lies within the Town of Riverhead, but a small portion is in the Town of Brookhaven. The name of the hamlet comes from the original Algonquian name for the area, Pauquaconsuk, meaning “the place where we wade for thick, round-shelled clams”. “Wading in the River” or Wading River was adopted by the first English colonists.


Power Efficient GaN HEMT High Power Amplifier Design Operating at 5-7GHz Bandwidth
For the next generation applications in mobile communication, radar and satellite communication we need the devices that can operate at high frequencies and high power with minimum power consumption. There is a growing importance in the recent years for the development of GaN transistors.This paper presents design of the power efficient GaN based high power amplifier operating in the bandwidth of 5GHz – 7GHz based on a 12 Watt Discrete Power GaN on SiC HEMT from TriQuint. In this manuscript the design of RF power amplifier, its stability, input and output matching impedance and performance for 5-7GHz is presented. Design and simulations of the power amplifier are carried out using Advanced Design System (ADS). Simulation results of device stability, gain and Power Added Efficiency (PAE) shows good accordance with the specifications and parameters of the device.In the design process, for better correlation in measurement and simulation results precision of passive element models are specially considered. In 1 dB compression point for the designed high power amplifier, the experiment and the simulation results show a Power Efficiency of 68%.
U.K. Mishra, P. Parikh, and Y.F. Wu. “AlGaN/GaN HEMTs An overview of device Operation and applications”, 2002.
GaN overview. [Online]. Last accessed 2019 http: //www.gainmicrowave.com/gallium_nitride_overview.php
T. Huet , J. Gruenenpuett , Z. Ouarch , D. Bouw , V. Serru , M. Camiade , C. Chang and P. Chaumas "A 8 W high efficiency X-band power pHEMT amplifier", Proc. 38th Eur. Microw. Conf., pp.289 -292 2008.
C.-K. Chu , H.-K. Huang , H.-Z. Liu , C.-H. Lin , C.-H. Chang , C.-L. Wu ,C.-S. Chang and Y.-H. Wang "An X-band high-power and high-PAE PHEMT MMIC power amplifier for pulse and CW operation", IEEE Microw. Wireless Compon. Lett., vol. 18, no. 10, pp.707 -709 2008.
Juhn Dutta “AlGaN/GaN-HEMT Power Amplifiers with Optimized Power-Added Efficiency for X-Band Applications” PhD dissertation, 2011.
M. Calori, A. Cetronio, C. Lanzieri, S. Lavanga, M. Peroni, E. Limiti, A. Serino, G C. Costrini. Ghione, and G. Melone, “A 20 Watt Microstrip X-Band AlGaN/GaN HPA MMIC for Advanced Radar Applications,” in Proceedings of the 3rd European Microwave Integrated Circuits Conference, EuMIC 2008, Amsterdam, Netherlands, , pp. 566 – 569. Oct. 2008.
Muhammad Hakan Yilmaz, “Design of a wide band 10W GaN Power amplifier”, Master dissertation, 2011.
Ravi Kumar Joshi and A. R. Harish. Characteristics of a rotated butterfly stub. IEEE MIT-S International Microwave Sysmposium, San Francisco, USA, 2006.
Xiaobin Luo, Chao Vue, Lijie Zhou, Weihua Yu and Xin Lv, Design of a Ka-band GaN HEMT Power Amplifier Based on Simulation, International Workshop on Microwave and Millimeter Wave Circuits and System Technology, 2013.
Agilent Technologies. Guide to Harmonic Balance Simulation in ADS. Advanced Design System Product Documentation. 2009.
Hae-Chang Jeong; Hyun-Seok Oh; Ahmed, A.; Kyung-Whan Yeom "Design of X-band 40 W Pulse-Driven GaN HEMT power amplifier", Microwave Conference Proceedings (APMC), 2012 Asia-Pacific, On page(s): 466 – 468. 2012.
S. Piotrowicz, E. Morvan, R. Aubry, S. Bansropun, T. Bouvet,E. Chartier, T. Dean, O. Drisse, C. Dua, D. Floriot, M. di-Forte Poisson, Y. Gourdel, A. Hydesa, J. Jacquet, O. Jardel,D. Lancereau, J. M. Lean, G. Lecoustre, A. Martin, Z. Ouarch,T. Reveyrand, M. Richard, N. Sarazin, D. Thenot, and S. Delage,“State of the Art 58W, 38% PAE X-Band AlGaN/GaN HEMTs Microstrip MMIC Amplifiers,” in IEEE Compound Semiconductor Integrated Circuit Symposium Digest, , pp. 1 – 4. 2008.
Chris Bowick. RF Circuit Design. Newnes, inc., 2008.
Steve C. Cripps. RF Power Amplifiers for Wireless Communications. Artech House, inc., 2006.
Journal of Applied and Emerging Sciences by BUITEMS is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at www.buitms.edu.pk.
Permissions beyond the scope of this license may be available at http://journal.buitms.edu.pk/j/index.php/bj


The OfficeStatus mobile web interface provides a means for OfficeStatus users to access the system through the web browser included with their mobile device. It contains a subset of the functionality included in the normal OfficeStatus web interface (which is accessible through a normal desktop web browser).
When an OfficeStatus user accesses the web interface from a web browser on a supported mobile device, they will be presented with the OfficeStatus mobile web interface. This interface is optimized for presentation on small-screen devices. Since it is a web interface, it can be accessed from anywhere that network / Internet connectivity is available.
Supported Mobile Devices
The OfficeStatus mobile web interface supports Safari Mobile (iOS 9.0 and later), Chrome Mobile, Opera Mobile (v14.0 and later) and IE mobile (v10.0 and later). The minimum supported screen resolution is 240x320.
Accessing the Mobile Web Interface
When an end user accesses your OfficeStatus web interface through a supported mobile device, they will automatically be redirected to the mobile web interface.
The mobile web interface can also be accessed directly by appending "/mobile/" to the end of your normal OfficeStatus web address, like this:
The precise composition of the web address above will depend upon the choices made during installation of OfficeStatus Server.


We know that the communication with your clients is very important. 11pets: Groomers offers an efficient and effective for you to have regular communication with your customers. With this new functionality, you can:
- Send messages to your customers quickly
- Select the clients to whom it is addressed
- Communicate offers, promotions, last minute changes, etc.
This functionality comes very handy when you want to inform your customers about your vacations and let them know when you are leaving and when you are coming back. Let’s assume that you do not want to send this message to all the clients you have, but just to the ones that came in the last 12 months. The application allows defining such lists a very simple and intuitive way. In addition, you can exclude clients that you do not want to receive this message.
The communication is saved using templates allowing easy reuse in the future. The functionality allows you sending the message by SMS or by email, very useful if you know you have the clients’ email addresses.
In the following tutorial we explain every step:
Remember that to send the messages correctly, they have to be in SMS format (and not MMS). Please consult the settings of your mobile device to verify. If your devices is configured to convert SMS to MMS, please change it first. Unfortunately, each company has its own configuration regarding this aspect. Here, as an example we list the steps for Samsung devices:
- Open the SMS application
- Tap the Menu icon (3 dots)
- Then go to Settings
- Then to More Settings
- Finally go to Multimedia Messages
- There you will have to tap on Set Restrictions
- And choose the “Restricted” option
If your device is still not configured to send SMS, we leave you a last alternative: you can use an external application (such as the Handcent Next SMS) and set it up as your SMS manager.
Many of you have asked us to make it possible to send the communication messages via WhatssApp. At the moment, the WhatsApp application does not allow to external applications to send messages with multiple recipients. For this reason, communication messages need to be sent SMS. If the possibility of doing so is enabled by WhatsApp in the future, we will update this functionality.


The internet is basically just a vast web of pathways and destinations stored on a virtual cloud, which basically makes it a virtual world separate from our own.
Since this virtual world only came into existence about 30 years ago, ways to navigate it and built within it are still being discovered or improved upon.
With so much information flying around on the internet at any one time, navigation of this system is absolutely key. This is why multiple different tools and pathways have been implemented to allow for this to happen.
The problem is that some of this massive web of information can be quite confusing. For example, gateways. In the real world, we know exactly what gateways are, but what are they on the internet? What exactly do they do?
What Is A Gateway?
So, for this question, we will give a long and short answer. The short answer is that a gateway is a piece of hardware or software designed for networking that is used in telecommunication to allow for data to move from one network to another discreetly.
The long answer is that a gateway is one piece of a hardware or software networking system that is used in the telecommunications field and industry to allow for the interaction of devices between one another to allow for discrete data flow.
Gateways are slightly more complex than what a router or switch would be, as they can use more than one protocol and communicate between multiple different networks.
A good example of a gateway would be the modem that you use at home for your family internet. You probably have one modem, but there are multiple devices using it: laptops, TVs, tablets, phones, and many more.
This gateway allows you to connect to the internet through it, and the ISP (internet service provider) on the other controls your data traffic through it.
The computer-server that controls the gateway for your ISP will usually use a firewall and a proxy server to keep your network and computer safe as well.
A firewall will keep anything that isn’t approved or a part of your network out – like viruses or, god forbid, other people – and the proxy server will be in between your computer and your computer-server, making sure any requests you give the computer server can be managed by said server.
Why Do We Use Gateways?
There are several reasons to use gateways, and probably the most important is safety. A gateway will only allow access to the ISP and network if the right code or instruction is put in.
To go back to the modem example, you can not access your home internet network, unless you put in the IP address and the password on the back of that specific modem.
In order to access the internet network without these, you have to get through the gateway, the firewall, and – to a much lesser degree – the proxy server.
Even then, if you are trying to access a specific computer or cloud storage account, you have to somehow get past the user installed security measures, like anti-viruses.
Obviously, this is a formidable defense for any type of internet raider to breach, and it is really not worth the effort a lot of the time. As you can imagine, this is incredibly useful for businesses.
Often, businesses will have their own internet provider or an intranet provider and having it secured behind a gateway, will keep your clients and their information safe.
Another reason to use gateways is logistics. A gateway will limit the amount of data traveling through it to a manageable level. Say, you are uploading a big file to your cloud storage, and it is taking its sweet time to get done, the gateway is the thing slowing it down.
This is because if it doesn’t, your computer might crash. So, the gateway stifles the flow to be manageable. It is better to have a slow upload than no upload at all.
Finally, gateways help monitor changes and controls for the client’s network. The gateway will collect data that passes through it and monitor the client’s actions, with the idea being it will run other tasks in the background to keep the network safe.
For example, if the client goes on a website that is unsafe for the network, then the gateway would inform the firewall, which would raise and stop the client entering before something happened.
Differences Between A Gateway And A Router
The main difference between a gateway and a router is how they manage data. A router is normally a device or a piece of hardware that is in charge of receiving data, before processing it and sending the data packet out to other networks.
Whereas a gateway is a gate between different networks, allowing for the transit of data through it. Due to its function as a gate and the size of the networks it deals with, a gateway is more complex than a router.
This is due to the fact that routers only transmit data from one network to another, whereas a gateway may have to manage and control data passing through it to multiple networks.
This will require that a gateway has a lot of background functions to deal with a number of other different circumstances, like viruses, connection problems, data problems, and more, whereas a router only has to deal with data packets.
As you can see, gateways are massively more important and more useful than routers and provide us with a safety net for our internet exploring
A gateway is an important portal between different internet networks and can control the passage of data from one network to another for multiple different networks.
Its functions mean it is indispensable for the management of data, the safety of the client network, and the function of the client’s internet as a whole.
While gateways may seem complex, it is not something you really have to worry about unless you are the internet service provider.
- Add Me to Search: A Comprehensive Guide for Visibility Online - June 28, 2023
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Data acquisition and control systems. Mechatronics.
Informatics and communications technology.
Digital Systems & ICT
Commercial, industrial and corporative solutions using informatics and communications technology. Design, development and implementation of data acquisition, control and embedded systems.
Design and implementation of embedded systems with special emphasis on fault tolerance and high availability.
Informatics and communication technologies solutions for the industrial, academic and SMEs sectors.
Supervisory Control and Data Acquisition (SCADA) offers the ease of monitoring of sensors placed at distances, from one central location. From evaluation through to system design, configuration, installation, commissioning and training and support.
Synergistic integration of mechanics, electronics, control systems, and computer science within product design and manufacturing, in order to improve and/or optimize its functionality.
Data Acquisition & Control
Design and implementation of data acquisition (DAQ), diagnostics and control systems.
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Bldg: Ingkarni Wardli Building, The University of Adelaide, Adelaide, South Australia, Australia, 5000
Far field wireless power transfer (WPT) enabled Internet-of-Things (IoT) applications are the emerging technology and the future trend along with the rapid development of 5G IoT ecosystems. WPT-enabled IoT devices enjoy many advantages as battery-free, environmental-friendly, capable of operating in remote places without manual maintenance.
This talk will introduce the history and development of WPT technology at the beginning, and will be followed by a series of advanced antenna technologies for far field WPT-enabled battery-free IoT systems. Several metamaterial-inspired electrically small rectennas with exceptional wireless power capture capacities will be introduced. Based on the developed ultra-compact rectennas, two WPT-enabled light and temperature sensor systems have been successfully built and tested. A video demo of the prototyped system will be presented. Moreover, an ultrathin beam-steerable transmitting antenna with long distance and larger area coverage will be discussed.
Speaker(s): Wei LIN,
Room: 5.55, Bldg: Ingkarni Wardli Building, The University of Adelaide, Adelaide, South Australia, Australia, 5000, Virtual: https://events.vtools.ieee.org/m/313846


(as of Jun 24,2021 17:09:34 UTC – Details)
The Champion Sports Volleyball Antenna Set includes 1 pair of net antennas. These visible red striped antennas are made of fiberglass and feature an antenna pocket, which securely attaches to the volleyball net.
Product Dimensions:21 x 21 x 4 inches; 16 Ounces
Item model number:VBANT
Date First Available:January 1, 2007
Features an antenna pocket, which securely attaches to volleyball net
Visible red striped fiberglass pole
Includes 1 pair of net antennas


Power Dome EX is a multi-purpose portable & rechargeable emergency power source. It can be used as a power source for 110volt AC or 12volt DC applications such as computers, TVs, fax machines, audio, fans, electrical tools, etc. It can also start your car engine in an emergency situation. Recommended to fully charge 24-36 hours before initial use, after each use and every 6 months. Safety Features: Overload protection, short circuit protection and UL listed.


Frederic J. Brown/AFP through Getty Photos
Apple introduced on Sept. 12, 2023, that it plans to undertake the USB-C connector for all 4 new iPhone 15 fashions, serving to USB-C develop into the connector of selection of the electronics trade, 9 years after its debut. The transfer places Apple in compliance with European Union legislation requiring a single connector kind for client units.
USB-C is a small, versatile connector for cellular and transportable units like laptops, tablets and smartphones. It transfers information at excessive speeds, transmits video alerts and delivers energy to cost units’ batteries. USB stands for Common Serial Bus. The C refers back to the third kind, following varieties A and B.
The USB Implementers Discussion board, a consortium of over 1,000 corporations that promote and help USB expertise, developed the USB-C connector to exchange the older USB connectors in addition to different varieties of ports like HDMI, DisplayPort and VGA. The purpose is to create a single, common connector for a variety of units.
The important thing options and advantages of USB-C embody a reversible connector you could insert in both orientation. It additionally permits some cables to have the identical connector on each ends for connecting between units and connecting units to chargers, not like most earlier USB and Lightning cables.
USB-C’s widespread adoption within the electronics trade is prone to result in a common normal that reduces the necessity for a number of varieties of cables and adapters. Additionally, its slim and compact form permits producers to make thinner and lighter units.
USB-C refers back to the bodily connector. Connectors use quite a lot of information switch protocols – units of guidelines for formatting and dealing with information – such because the USB and Thunderbolt protocols. USB-C helps USB and Thunderbolt, which makes it appropriate for connecting laptops, smartphones, tablets, displays, docking stations and lots of different units.
The most recent USB protocol, model 4, offers a knowledge switch price of as much as 40 gigabits per second, relying on the ranking of the cable. The most recent Thunderbolt, additionally on model 4, helps as much as 40 gigabits-per-second information switch and 100 watts charging. The newly introduced Thunderbolt 5 will help as much as 80 and 120 gigabits-per-second switch and 140 to 240 watts energy switch over a USB-C connector.
Why USB-C issues
Because of the fragmented nature of expertise evolution, laptop customers a decade in the past have been battling too many connectors: USB for information; energy cables for charging; HDMI, DisplayPort or VGA for video; and Ethernet for web. This known as for an industrywide effort to convergence on an all-purpose connector.
Since its introduction in 2014, USB-C has gained widespread reputation and has already develop into the connector of selection for many non-Apple units. Apple transformed the iPad Professional to USB-C in 2018 and now’s doing the identical for one of the best promoting Apple machine, the iPhone. Some market forecasts recommend there will likely be near 4 billion USB-C connector gross sales by 2025 and 19 billion by 2033.
Because of the industrywide adoption of USB-C, customers quickly received’t must ask “Is that this the precise connector?” after they attain for a cable to cost or sync their transportable units. And in case you’re an iPhone consumer and end up with a brand new mannequin, you may [recycle your no-longer-needed Lightning cables] by, for instance, bringing them to an Apple retailer.
Shreyas Sen receives analysis funding from quite a lot of sources, together with federal authorities, state authorities, and personal enterprises. The complete checklist will be seen from his CV at https://tinyurl.com/ShreyasSenVitae. He’s the Founder and CTO of the startup, Ixana. Shreyas was a Analysis Scientist at Intel Labs from 2011 to 2015 the place he was the recipient of an Intel Award for influence on USB-C.


Solar energy could soon be helping Australian soldiers to power their numerous electronic devices on the battlefield.
Wearable lightweight solar panels developed by the Australian National University (ANU) convert light directly into electricity via SLIVER solar cell technology.
The project’s chief investigator Professor Andrew Blakers said the new sliver cells built by Transform Solar in Boise, Idaho were the basis for the wearable solar panels.
“We are able to use the sliver cells to make modules that can be bent around a radius of around a few centimetres,” Professor Blakers said.
“This means we can roll them up, put them in a package, carry them long distances and then unfurl them for use in remote areas.”
Professor Blakers said the wearable panels could be worn on a soldier’s helmet, on their front and/or back, their packs, their weapons and tents.
The solar panels were more rugged than conventional panels and they could operate in temperatures from minus 40 degrees to 65 degrees, he said.
“We would carry dozens of different battery cells for our operations in Afghanistan right now,” Major General Caligari said.
“The average soldier would carry around half a kilogram of batteries to operate radios, night vision devices, torches, communications.
“If we were able to have a single source of power that meant we didn’t need to recharge our batteries then we would be able to run all those electrical systems and reduce our weight significantly.”
Professor Blakers said the sliver cells could also be used by civilians.
“I would see anyone who needs mobile power, that is military and also non-military applications.
“Obviously things like iPods, iPhones, remotes, sensors and the like can make use of this technology,” he said.


As a City, we’re always looking for new ways to ensure residents the information they need, exactly when they need it. We also recognize that not everyone is comfortable with social media, or with the web. That’s why we’re launching Thompson Connect!
Thompson-Connect pushes messages, updates, and alerts directly to you, through either text messages, emails, and even automated voice calls. That includes messages sent out through the Canada-wide Alert Ready emergency messaging system.
Connect will also be able to deliver area-specific notices for issues like water breaks, road closures, events, and more! You won’t be bogged down with messages about water breaks on the other side of town.
Sign up today at www.thompson.ca/p/connect! Once you sign up, you’ll receive your own password in case you need to change your settings in the future. You can also call City Hall and ask for a physical registration form!
Residents registered with Manitoba White Pages will also be receiving an automated call informing them of the new system, encouraging them to register. This is the ONLY time that we will utilize White Page listings, other than a city-wide emergency. Otherwise, only registrants will be contacted.


Important information for presenting authors
Conference will be implemented using Zoom platform (https://zoom.us/). Connection information will be distributed to all registered participants before the conference. Please be sure to have the latest version of Zoom app installed since connections using web browser may cause limited functionality. We also ask You to prepare appropriate communication equipment (webcam, microphone, speakers/headphones, etc.) and test it before Your presentation. Please check system requirements at:
Invited oral presentations are limited to 30 min + 10 min for Q&A. Regular oral presentations are limited to 15 min + 5 min for Q&A. You will be able to give Your talk using Zoom app in real time according the conference program. Alternatively You can send us a prerecorded talk before November 17 and connect only for Q&A session in real time. The acceptable formats of video files are MP4, AVI, 3GP, etc.
We kindly ask all presenting authors to connect to their corresponding session before the beginning of that session.
Poster presentation should be prepared as PDF file (up to 20 MB) and sent to firstname.lastname@example.org prior to November 17. They will be placed on conference website. During poster sessions separate meeting rooms for live discussions will be created on Zoom platform for each poster. We kindly ask all presenting authors to stay connected to their corresponding poster room during all the session for live discussions with other participants joining these rooms.


This item can only be shipped to schools, museums and science centers
Easily produce perfect tones between 10 Hz and 10 kHz with this high-quality sound wave generator. Ideal for acoustic demonstrations that require precise sound frequencies like the Doppler effect or sound wave resonance. Or use it in conjunction with tuning forks to determine exact pitch and illustrate beat frequencies. The electrical output is also ideal for powering the Electromechanical Driver (AP5789) to produce perfect sinusoidal vibrations that are great for displaying ripple patterns in Chladni plates, strings or ripple tanks. Additional square wave output is provided to synchronize the sound output with an oscilloscope. Students can then view the signal pattern on the oscilloscope screen. Volume and frequency are easily set with separate control knobs. Frequency output is shown on a 4-digit display. Resolution: 0.1 Hz below 1000 Hz; 1 Hz above 1000 Hz.


Transmitters enable you to wirelessly pair most alarms to a ‘V2’ or ‘Deluxe’ ATT Receiver simply by plugging them into the alarm’s output jack plug socket. Available with 2.5mm Jack Plugs (fits most alarms) or 3.5mm Jack Plugs (fits Delkims).
- Soft Touch, non-reflective, rubberised finish.
- Improved Transmitter Design.
- All integral electronic circuitry is encased in its own watertight compartment to prevent the risk of water coming in and potentially causing corrosion.
- Available with 2.5mm or 3.5mm Jack Plugs, to suit a wide range of current alarms.
- These transmitters are powered by a GP11A battery (product code 07716) or equivalent.
alarms systems remotes transmitters modules


Sofimation Ltd. is a privately owned Finnish technology company that specializes in RF fading simulation for RF-performance development. Located in Espoo Finland, the company brings over 30 years of experience in the field of wireless technologies and in particular within the RF fading simulation solutions. Sofimation products are easy to customize and especially, but not limited to, tailored for mobile phone manufacturers, base station providers and a wireless operators. Regardless of the industry if there is a need to test and simulate a radio frequency inside a lab, Sofimation has the solution and know how.
1981 - incorporated
1981 - first Nordic Mobile Phone System Simulator
1986 - SOFI 02 Reyleigh fading product launch
1990 - SOFI 03 is launched
1995 - SOFI 04 is released with support for 35 MHz.
1998 - SOFI 05 adds analog GSM900-1900 capabilities
2001 - SOFI 05 adds digital GSM450-3G
2006 - SOFI 06 brings universal HD fading with AWGN
2013 - SOFI 07 brings LTE and MIMO capabilities
Mr. Jan Hagqvist - Software Specialist
Jan is Sofimation's software programmer. He has a long experience in developing software for Sofimation's digital radio channel fading simulators as well as for other products.
Phone: +358 41 510 9191
Mr. Hannu Tamminen - Technical Specialist
Hannu has a degree in computer science. His long career includes automation system design and telecommunication engineering, to name just a few. He has contributed greatly to numerous Sofimation products, such as the Sofi digital radio channel fading simulator.
Phone: +358 40 505 8366
Ms. Kati Hakala - Administration
Kati has a Master's degree in organic chemistry and is soil sciences. Kati is working in administration at Sofimation. Furthermore, she is a Chemistry lecturer at the Helsinki University.
Phone: +358 40 045 9047
Mr. Ville Hakala - General Manager
Ville is a technology driven and passionate entrepreneur. New technologies and clean tech are some of his specialties and interests. He holds a MSc in Engineering and an MBA in International Business Management.
Phone: +358 40 704 92 90


Are you looking to replace your company’s outdated phone system?
Tactical IT Group offers the award winning 3CX Phone System. With 3CX there is no need to worry about management and installation. 3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. It is trusted by thousands of businesses worldwide such as Pepsi, American Express, Boeing, Harley Davidson, RE/MAX and M.I.T!
Let Tactical IT Group’s VoIP service provide the benefits every business needs today:
- Features that you’ll use – If you want to take a call on your laptop, or on your cell phone when you’re on the go, or you’d like to access a phone number without any hassle, then Tactical IT Group’s VoIP services are definitely for you.
- The ability to take on your company’s workload – With optimized technology, your VoIP system will never go down because too many calls are being made, and the system can grow with your business.
- Low-cost and easy to install – Installing and setting up a new VoIP system in your office is easier and more affordable than you might expect. Our trained staff will not only provide all of the necessary training and help to make the transition smooth and worry-free, but we can also help you find the right solution that meets your budget.
If you’re not happy with your current phone solution, have outgrown your existing system, or are looking for new features; call us today, and let us help you make the right choice.
Installation & Configuration is straightforward with 3CX:
- Connect with prominent SIP trunks within minutes with pre-configured templates.
- Plug-in an IP Phone or Gateway to your network for automatic configuration.
- Avoid interoperability issues with 3CX tested IP Phones.
The Choice is Yours
With 3CX, deployment of your PBX is straightforward and flexible.
- Deploy on existing Windows machines.
- Deploy on a MiniPC Appliance.
- Virtualize and segregate on Hyper-V or VMware.
Security & Backup
When it comes to VoIP security, 3CX sets the standard. 3CXs inbuilt security has been exclusively developed to protect your PBX system from attacks.
- Increased secure web server configuration.
- Automatic detection & blacklisting of SIP Attack tools.
- Traffic to 3CX clients is encrypted via SBC.
- Voice traffic is encrypted via SRTP.
- Automatic generation and management of SSL certs.
- Revolutionary VoIP Security with A+ rating from SSL lab.
- Automatic Failover for instant backup.
- Encryption between browser and the website ensured via HTTPS.
By using 3CX, typical monthly telco cost savings will be significant, as is the cost of the 3CX solution as compared to legacy phone systems.
- Decrease your Phone Bill
- Increase your voice system functionality
- Avoid expensive and proprietary upgrade costs
- Leverage low-cost Internet connections
- We leverage prominent trunks providers to reduce call charges
- Port your existing phone number over to the new 3CX system
- Reduce travel expenses with integrated web conferencing
- Establish low-cost 800 number capabilities
- Leverage low-cost International calling options
Clients & Features
With 3CX, you can take your extension wherever you go, from VoIP clients for Android and iOS, Soft Clients for Windows and Mac to clientless web conferencing and the integrated web client, you are guaranteed to be kept in the loop wherever you go.
Download 3CX Clients on your Android / iOS Device
- Use your extension from anywhere
- Free VoIP calls with your smartphone
- Save battery life with “PUSH” notifications
- Connect all clients simultaneously via SIP Forking
- Most Progressive Android & iOS VoIP clients in the UC market
- Benefit from integrated features such as, Presence, web conferencing, conference calling
Easy to Use Windows & Mac Softphones
- Initiate IP Phone calls from your desktop with CTI mode
- Work remotely from anywhere
- Easily view the presence of your colleagues
- Use the Receptionist view to administer calls, then drag and drop calls for a swift call transfer
- Launch calls directly from your CRM; integrate seamlessly with Office 365, Google contacts or Internal Phonebook
- Automatically obtain reports on customer and agent activities
- Includes Wallboard and Q-Manager view
- Multifunctional Web Client with inclusive multiple features
- Integrated WebRTC technology resulting in reduced bandwidth usage
- Click to Call Chrome Extension
Integrated Video Conferencing
- Free for up to 25 participants
- Unlimited users regardless of edition
- Initiate a conference with one single click
- Correlated operability between VoIP and video
- Bandwidth Management and Control
- Remote control assistance for quick & easy troubleshooting
- Pre-upload PowerPoint & PDFs before meetings
- Easy to use polling tool for feedback


(P6) PROFESSIONAL MICROPHONE CABEL AUDERPRO AP-913
Rp.650.000 (Kontak Kami Untuk Dapatkan Harga Terbaik)
Harga Belum Termasuk PPN & Ongkos Kirim Luar Kota.
– The magnet is made from neodyminum so that high level and high quality sound is
– This unit employed a double dome diaghragm is in order to achieve a well balanced sound quality from the lower range to upper range.
– A liht duty CCAW (aluminum wire) is employed in the voice coil in order to arhieve a crystal clear sound quality.
– A reliable canon brand connector is employed.
Tipe : Dinamic microphone
Direktivity : Uni-directional
Impendance : 600 ohm + 30% (at 1 KHz)
Frequency response : 50 Hz to 16 KHz
Sensitivity : – 52dB + 3 dB (at 1 KHz)
Switch ON/OFF : Small
Color : Dark Grey
Weight : 270 Gram
Long : 170 MM
Top Diameter : 50 MM
Bottom Diameter : 21 MM
Distance between the microphone and mouth : 5 to 10 Centimeters
1. Insert the microphone plug into the microphone terminal.
2. Flip the microphone switch to the “ON” position, and adjust the volume with the volume control knob on the amplifier. When handing the microphone to somebody else or when finished using it, flip the microphone switch to the “OFF” position.
3. The in reason distance between the microphone and mouth is from 5 to 10 centimeters. If the microphone is too close to the mouth, the sound may be unclear with too-much enhanced bass (proximity effect) or may be uncomfortable to ears with pop noise generated when every time the singer breathes in and out.
Fungsi: Untuk Karaoke, Meeting, Gereja, Masjid, Band, Seminar, Rapat, Kegiatan Lapangan Dan Lain-lain.


Review Arrl Antenna Modeling Course
Arrl Antenna Modeling Course Download Æ 9 ã ❰Read❯ ➲ Arrl Antenna Modeling Course Author American Radio Relay League – Dogsalonbristol.co.uk Antenna Modeling ARRL Antenna modeling used to be the domain of scientists and engineers with very expensive antenna ranges covering acres and acres of land strewn with expeRRL Contributing Editor You too can be an Antenna Modeling GURU Antenna Modeling Getting Started in TWENTY minutes Antenna Modeling Getting Started You too can be an Antenna Modeling GURU in TWENTY minutes Why Do I Want to Do This? •Learn a LOT about basic antennas •Antenna know how is important •Antennas that make the most of your lot ARRL Technical ARRL Antenna Book Softcover The ARRL Antenna Book for Radio Communications is a single resource covering antenna theory design and construction and practical treatments and projects This book contains everything you need to understand how radio signals propagate how antennas work and how to construct your own antenna Antenna Modeling for Beginners ARRL Inc Steven Modeling a powerful tool in Amateur Radio can help you design antennas and optimize their performance Antenna Modeling for Beginners is an introductory guide to using modeling software for designing and evaluating antennas It provides a detailed introduction to EZNEC the most popular antenna modeling program used by radio amateurs today With this book you'll set up basic modeling software evaluate and adjust pre designed models Antenna Modeling for Beginners Modeling a powerful tool in Amateur Radio can help you design antennas and optimize their performance Antenna Modeling for Beginners.
American Radio Relay League ↠ 9 Read & download
Is an introductory guide to using modeling software for designing and evaluating antennas It provides a detailed introduction to EZNEC the most popular antenna modeling program used by radio amateurs today With this book you'll set up basic modeling software evaluate and adjust pre designed models Antennas ARRL Most hams change antennas often than they buy new rigs This page links you to many different antenna articles and pages on the ARRL web site The menu on the left provides links to other pages and even articles and links you can try You can also select from the links below to some of the popular antenna pages Antenna Modeling for Radio Amateurs Steve Stearns KOIK ARRL Pacificon Antenna Seminar San Ramon CA October Antenna Modeling for Radio Amateurs Revised and Expanded Steve Stearns KOIK Consulting Engineer Electromagnetic Systems Antennas and RF Design Technical Fellow ret Northrop Grumman Corp stearnsieeeorg koikarrlnet EZNEC Antenna Software by WEL Antenna analysis software by Roy Lewallen Above Screen shots from several EZNEC v displaysRight D far field pattern with D elevation slice highlighted Any azimuth or elevation slice can be highlighted Center View Antenna display showing the wires making up the model of the five element beam with currents and D slice superimposed to show orientati.
Read Ð E-book, or Kindle E-pub ↠ American Radio Relay League
Arrl Antenna Modeling CourseAntenna Modeling ARRL Antenna modeling used to be the domain of scientists and engineers with very expensive antenna ranges covering acres and acres of land strewn with expensive euipment With the proliferation of personal computers and affordable even free software antenna modeling Arrl Antenna Epubhas become a popular amateur activity With modeling you can determine the pattern feed point impedance and even the SWR of your antenna Antenna Modeling for Beginners ARRL Nevertheless these models can be viewed edited and used as a basis for simple designs and they are good practice for learning how antenna models are constructed ARRL Antenna Book includes a collection of EZNEC models as well as EZNEC ARRL a limited free version of the current EZNEC software with somewhat capability than the demo version Antenna Modeling Files ARRL In January the ARRL Board of Directors changed the ARRL advertisement acceptance policy to permit the advertising of antenna gain figures for antennas whose performance can be accurately modeled using either NEC or Yagi Optimizer modeling programs To do this advertisers submit their antenna models for verification by the ARRL Laboratory staff If the Lab is able to verify that the model accurately represents the design of the antenna Antenna Modeling Getting Started ARRL Home A.


If you have a service requirement for an electro-mechanical product or any IT equipment, we will be able to provide you with a cost effective, efficient and reliable solution.
In addition to our mainstream engineering service work, in the Healthcare and Imaging markets, our engineers can service and maintain a broad range of products with limited training requirements. For example; – Multi function kiosks – with applications ranging from mobile phone top-ups, ATMs, Vending Machine to airport security. Our engineers can support an almost infinite range of kiosks, in any conceivable location.
We are able to offer a range of services catered to suit your requirements. Whether you are considering to outsource all, or just part, of your service requirement we can provide you with a bespoke solution which could include elements such as:
Site Visits and Advice
No matter what problem or issue you need resolving, from Lead screens to X-Ray Rooms, from Image Management to Connectivity, please call us and one of our team will be only too delighted to address your concerns and provide you with the solution. We also provide CAD drawings for your next installation.


Emergency 24's active shooter solution is a two-way, multi-media mass-communications system that facilitates real-time video camera access to help minimize the impact of a weapons event on a school, hospital or office campus.
Our in-house team of software engineers developed this service that combines traditional alarm monitoring with an advanced communications platform to improve the flow of information to and from building occupants and first responders. The information exchange allows responders to better prioritize, coordinate and execute their response effort faster.
This service is offered solely to Emergency24 dealers in conjunction with our strategic partner, BluePoint Alert Solutions.
Emergency24 and Blue Point Alert Solutions Form Strategic Partnership
Click HERE to download the press release from October 2020.


LED Smart Socket 2200W 10A Wi-Fi Smart Socket With Led Lights
LED Smart Socket Description:
1. This smart socket can be controlled by a mobile phone, the
indicator light is blue, the rated voltage is 10A, and the rated
power is 2200W.
2. This smart socket can be connected via WIFI, and the interface
specification complies with British regulations.
LED Smart Socket Parameters:
Color box size
Outer box size
LED Smart Socket Advantage:
1. This smart socket is suitable for home and indoor office in a
variety of scenarios.
2. The smart socket can be adjusted freely in a variety of control
3. Smart sockets are compact and simple in appearance, making more
home appliances smart.
4. The smart socket can be used to remotely control the switch of
household appliances with a mobile phone.


- Optional for user-friendly design: front door automatic LED lighting for operation and back door file kit.
- Aesthetic design and color corporation
- Standardized copper bar and wiring standards
- Adopt aviation connector, user-friendly on-site configuration. High reliability.
- Optional for ComAp automatic/manual (single/parallel) mode, emergency manual (single/parallel) and combat readiness
- The spare terminal signal is led out, which is convenient for customers to temporarily increase the function of the wiring
- Monitoring system
- Spare external power socket
- Each unit is equipped with five-phase copper bars for connection between cabinets for parallel, which is convenient for customers to combine stand-alone or parallel
Perfect solution for parallel；
Size,color and style customizable；
Top brand of electrical components optional.
|Genset Operation Monitoring
|· Three-phase voltage monitoring
|· Frequency and speed monitoring
|· Three-phase current monitoring
|· Cooling water temperature and oil pressure
|· Three-phase electric energy monitoring (active power, reactive power, electricity and power factor)
|· battery voltage
|· Working status monitoring
|· Error alarm
|· Circuit breaker off/on
|· Three-phase insulation monitoring
|· Over/under voltage, overload, over current, short circuit and other protection functions
|· Fault alarm protection functions such as speed, oil pressure, water/oil temperature, battery voltage, etc.
|· Emergency shutdown
|Start operating mode
|· Call mode: After the mains power failure, the unit will perform power management according to the preset power reserve and execute the power call mode. When each unit is loaded with more than the preset load, it will call the next unit to start and distribute the load in parallel
|· Full-start mode: suitable for a large load at a time, set to all start and load distribution of the unit after a power failure
|· Combination mode: set to start all after power failure, and reduce the number of parallel machines according to the load size after paralleling, to meet the load and use requirements. This mode is suitable for motor loads with large starting currents
|Real-time recording of operation, faults and switch operations
|Control the unit to unload after the smooth transition load to the lowest state, and keep the unit running and the switch in good condition.
|Meet the requirements of various international standard communication modes and communication protocols
|Automatically switch the unit operation according to the accumulated operating time of the generator set, balance replacement power management
|Czekh ComAp IC-NT MINT+/ ComAp IG-NT
ABB, Aisikai, ComAp, Delixi, Schneider