CUMBERLAND — In about two weeks’ time, those connecting to the Internet through the city’s WiFi connection will find that the service is no longer free.
“The fees will be somewhere between $16 to $20 (per month),” said Dave Kartchner, executive vice president of CONXX. “There will be various (Internet service providers) on it.”
Kartchner explained that CONXX, the carrier communications company that has helped to install the full citywide WiFi and the vehicle which AllCoNet 2 is marketed by, has been working with the city to get the services up and running.
It was originally anticipated that the system would be a paid network as of Aug. 1, but he said getting connections to various areas in the city took longer than expected.
Once the network is up, users will have the option of what plan they purchase and through what provider. Originally, plans also included a daily user fee of $4.95 to $7.95.
The WiFi could mean revenue for the city, but the connectivity throughout Cumberland will benefit employees as well.
“(CONXX) has been working recently to get the equipment in for credit card purchasing and allow city personnel to use the system,” said Johnna Byers, director of management information systems. “The guy in the truck with a laptop would have a secure area to log in and access, but not interact with the public (portion). City personnel would have a pass to get around that.”
Byers said she felt the system would not be beneficial inside the city hall, as it is wired, but to city personnel and staff at remote locations, as well as to residents.
Kartchner said that is this portion of the network his company his working on now. He said they are trying to ensure the public has a secure area to purchase access to the WiFi while the city workers have a secure area to conduct their business.
He added that while there are signals through most of the city, it isn’t quite 100 percent in all areas. He said some places are finding, because the WiFi is being transmitted through the power poles in town, that second floors get better reception for it. He said at other areas, it works better outside than in.
For this reason, he said Conxx has been looking into equipment that homeowners could purchase to boost their signal inside the home.
“There will be a few areas in the city that don’t have coverage right now as we finish up tuning, tweaking and getting adjustments made to the network,” Kartchner said. “By in large, it’s a pretty good cover area.”
He said in about two weeks, those accessing the network will find the Web page changing one final time. This time, he said it will offer various packages that can be purchased from Internet service providers.
Contact Sarah Moses at firstname.lastname@example.org.


120897 - GROM Audio USB Adapter Kit with Bluetooth - 850 S70 V70 C70
|IPD ITEM NUMBER||120897|
|QUALITY LEVEL||BEST (BETTER THAN OE)|
|COUNTRY OF ORIGIN||USA|
|UNITS PER CAR||1|
|WARRANTY||ONE YEAR PARTS WARRANTY|
|SPECIFICATIONS||USB WITH BLUETOOTH|
If you want to enhance the capabilities of your factory audio system, modernize its functions by adding a GROM Audio device. GROM offers seamless integration for your Volvo factory audio system allowing mp3, iphone, ipod, and Bluetooth connectivity.
The GROM unit replaces your external CD changer with a hidden device that controls multiple functions that you would normally see out of a newer car. Functionality is constantly evolving for the ever changing smart phone market. GROM allows the end user to download and update firmware via the GROM website.
Bluetooth offers wireless “Hands Free” integration from your smartphone to your factory audio system allowing you to hear your phone conversation through your audio speakers. Another great Bluetooth feature is to play any stored audio file through your factory radio wirelessly. Having an onboard Bluetooth system allows you to stay focused on driving while carrying on a phone conversation. After your phone conversation is over, the GROM unit will resume playing any audio file that was interrupted.
The GROM unit allows you to play any audio file from up to 6 audio folders/playlists stored on any USB mass storage device. Our kits come complete with the proper USB male to female integration cable. The cable allows for easy access to interchange audio storage devices. This gives your system the functionality your factory CD changer always wished it had.
The USB GROM AUDIO device can also use any ipod/iphone product with the addition of IPOD cable #120900. IPOD Cable sold separately.
If you’re looking to enhance the quality of sound from your stored audio files, utilize Bluetooth technology while talking on your phone and driving, integrate your smart phone with the Volvo factory radio unit without cutting up your factory dash, the GROM Audio unit is a perfect match for you and your Volvo.
This kit will work on any factory head unit that allows you to select "CD CHANGER"
-GROM USB/IPOD Unit with Installation Harness
-USB Adapter Cable
-Bluetooth Accessory Kit
Potential Product Fitment Issues
Installation of the GROM adapter kit requires a factory stereo with an external CD changer DIN input. If your Volvo has the "CHGR" button on the front, our kit will work.
Product Status & Availability
Adding items to your shopping cart and placing an order is only an intent to purchase. We will not charge you for anything until we can ship the products you ordered (if paying by credit card. PayPal is a prepayment method.) We will do everything we can to fill your order in a timely manner. You can cancel your order at any time prior to shipment.
This non-stocked product is limited to stock on hand and does not allow backorders.
This product is being closed out and limited stock is available. Please click the green "Add to Cart" button near the top right of the page for current stock level.
|Units available to ship:||1|


Subsequently, I have listened to a lot of recordings from phones and have never really felt they matched the quality you could get from even an inexpensive voice recorder. This isn't surprising because the microphones in telephones are really only designed to capture the narrow range of frequencies of the human voice.
So, I got a new phone (LG G3) a few months back and was out recording frogs (as usual). Just to update my perceptions, I held my phone out the window right next to my $1K recording rig (Sennheiser K6/ME66 microphone into a Tascam DR-680 recorder). When I got home and compared the two recordings, I was shocked to see hom much better my phone recording was than any recordings I had made with older phones (Motorola Razr series, Iphone 4, etc).
Here is a few seconds of the two recordings back to back. It is exactly the same section of recording played twice. One is from the phone, the other from the semi-pro recording gear.
Can you hear the difference?
Another way to tell the difference is to look at the spectrogram to look for noise in the recording:
Can you tell which one is which? Pretty tough.
The first recording is with the phone, the second with the Tascam/Sennheiser combo.
Clearly this phone can make good recordings if used well.
Here are a few tips to help make good recordings with a phone -
- Have a good phone and a good app.
- Get as close as you can to the calling frog or chorus.
- Block the wind from making noise on your phone.
- Hold the phone very still/carefully. Better yet, set it down on a surface so your movements don't get picked up as noise.


Adventures with Aredn VLANs
I recently put a node up for San Francisco Wireless Emergency Mesh. It’s something I’ve been intending to do for a while but just never made the time. One of the SFWEM members reached out when he saw me on APRS.fi and asked if I were interested in putting up a node. Since it was something I’ve been meaning to do for a while, I got to work.
The hardware I’m using is a Ubiquiti Rocket M5 with an AMO-5G13 omni directional antenna. The hardware runs a custom firmware from Amateur Radio Emergency Data Network. The setup and configuration is well documented and went smoothly. After mounting the Rocket M5 on a roof mount and running an ethernet to a POE, the node was online.
This node provides good coverage of the general area. It’s currently connected to the rest of the SFWEM mesh network by node KJ6WEG-OAK-Griz-SectorM5 up on Gizzley Peak.
Things got interesting when I started to add a second node. This one is based on a NanoBeam M5 and is intended to create a point-to-point connection to another node on the network, most likely KJ6DZB-USS-HORNET-SOUTH on the USS Hornet.
Putting two devices on a network with the Aredn firmware is supposed to allow them to set up a device-to-device (DtD) connection over the network instead over the RF network.
The Aredn DtD documention was a bit confusing to me. Specifically when I read about the use of VLANs, I assumed that putting the switch ports for both nodes on VLAN 2, they would find and communicate over the network. That’s not what was needed. I know, for whatever reason I suffered a VLAN mental slip.
My network configuration had three VLANs: 1 as the default, 2 for AMPRNET and 3 for Lorawan devices. Since I thought that Aredn wanted to be on VLAN 2, I reconfigured all the switches as: 1 as the default, 2 for Aredn, 3 for Lorawan and 4 for AMPRNET. But this configuration doesn’t work. The SFWEM nodes could get an IP address from the router on VLAN 1 for their WAN interface but they didn’t see each other.
After a few frustrating hours staring at configuration screens, reading and re-reading the Aredn docs, chatting with SFWEM members on slack and wading through my VLAN experience, I realized that I was misunderstanding the use of untagged, VLAN 1 and VLAN 2 by the Aredn firmware. What I realized is that the nodes want to be on their own VLAN and they’ll send WAN data tagged for VLAN 1 while tagging packets for VLAN 2 when doing any DtD communications.
I reconfigured my network switches again but this time as: 1 as the default, 2 for Aredn DtD, 3 for AMPRNET, 4 for Lorawan devices and 5 for SFWEM. The important part here is that the ports for SFWEM nodes are set to tag VLAN 1, tag VLAN 2 and untagged VLAN 5. This gives the Aredn their own default network on VLAN 5, makes VLAN 2 available for DtD communications and allow VLAN 1 traffic to leave the switch for the great beyond.
Both nodes are now online and connected via DtD.


Hsinchu [Taiwan], March 9 (ANI/PRNewswire): Metanoia Communications Inc. ("Metanoia"), in collaboration with NXP Semiconductors NV. ("NXP"), announces that HFCL has selected Metanoia's 5G-NR RF transceiver, NXP's Layerscape and Layerscape Access family of processors for HFCL's All-in-One 5G 2T2R Indoor Small Cell to deliver outstanding and reliable 5G cellular indoor coverage. Together, the Metanoia RFIC and NXP processors provide exceptional small form factor and capability for HFCL to deliver over 1 Gbps aggregate throughput, making it ideal for 5G in-building solutions and for Private 5G networks, e.g. hospitality, MDU, campus and more.
HFCL is a leading technology enterprise offering a wide range of next-generation communication products and integrated solutions both in India and abroad. Its 5G portfolio includes 5G Radio Access Network (RAN) and Transport products which caters to the needs of communication service providers (CSP), enterprises and industry verticals.
"5G Small Cells are an integral part of HFCL's growing 5G RAN portfolio to help telcos improving 5G coverage and enabling private 5G solutions for digital transformation of various industries. For our 2T2R Indoor Small Cell platform we are happy to choose Metanoia's 5G-NR RFIC that provides HFCL with maximum flexibility to deliver a wide range of 5G Indoor Small Cell solutions across frequency bands & form factors which caters to our customer needs both in India and globally." said Mahendra Nahata, Managing Director, HFCL.
Metanoia RFIC, MT3812, is uniquely suited to performance driven and price sensitive 5G Small Cell or RU applications. MT3812 is a low power Sub-6GHz 2x2 RFIC which supports up-to 200 MHz bandwidth in Transmit and Receive TDD modes, and 400 MHz in DPD mode.
"We are proud that HFCL has selected Metanoia's for our world class 5G RFIC to combine with the high performance NXP Layerscape Access platform. Metanoia's growing line of integrated 5G products provides high performance, low cost & low power 5G solutions to enable 5G massive deployments worldwide" said Dr. Stewart Wu, President and CEO of Metanoia. "Metanoia is thrilled to support HFCL as they bring future products to their targeted 5G markets".
NXP's high performance Layerscape family of multicore processors and 5G NR programable baseband processors are part of NXP's antenna-to-processor portfolio for accelerating 5G deployments, which delivers advanced performance and security for infrastructure, industrial, and automotive applications.
"The advanced capabilities of NXP's Layerscape family and our broader 5G portfolio support the wide-ranging needs of 5G network deployments," said Jeff Steinheider, Vice President and General Manager, Industrial Edge, NXP. "The collaboration with Metanoia and HFCL has created a differentiated 5G small cell solution that will help expand 5G coverage and drive new 5G use cases."
Metanoia based in Hsinchu, Taiwan has contributed to the development of several generations of semiconductor SoC solutions for wireline Broadband and is now focusing in bringing new products to the 5G NR Markets.
For more information please visit www.metanoia-comm.com.
This story has been provided by PRNewswire. ANI will not be responsible in any way for the content of this article. (ANI/PRNewswire)


Methods to Solve Prevalent Avast VPN Problems
The most common Avast VPN complications can be resolved by rebooting the PERSONAL COMPUTER. The most common way to this is to enable each request one by one. Or else, the best option is to speak to Avast’s live support staff via email. If you have a question, you can also leave a detailed concept on the support page or send an email directly to Avast. The company has a user-friendly internet site where you can examine articles and also other helpful https://avastfreeantivirusdownload.com/everything-you-need-to-know-about-avast-virus-chest/ information.
A few of the common Avast VPN problems incorporate an interruption in internet connectivity. First, restart your computer and connect to the router. If this still turn up useful info, you can also try liberating non-permanent configurations. Otherwise, reinstalling Avast might repair the issue. In the event that all these steps fail to solve the situation, you may need to restart your computer. In case the issue continue to be persist, you can test contacting customer support.
If you still can’t connect with the internet, you can try disabling Avast VPN services 1 by 1 through the task manager. You can then reboot the computer and reconnect the VPN. This task can be repeated if the issue persists. The next phase is to disable all services that are at the moment running on your computer system. If this does not solve the condition, you can also operate the built-in On-line connections troubleshooter in Avast.


Bone anchored hearing aids bypass the middle ear by transmitting sound waves directly to the bones of the skull. A small post is surgically implanted into the skull, similar to the implant dentists use to attach replacement teeth. After a period of healing, the hearing aid can the snapped onto the post and used like any other hearing aid. Bone anchored hearing aids are recommended for patients who have chronic middle ear disease that interferes with hearing or that interferes with the convenient use of a standard hearing aid.
Bone anchored hearing aids are also an option for patients with one-sided deafness. Placement of a bone anchored hearing aid on the side of the deaf ear can help the patient to detect sounds coming from that direction as the sounds are transmitted through the skull to the better hearing ear.


- Short Bio:Principal Consultant at Strict. Eildert spent his entire professional life in mobile technology. He has developed and provided training in 2G, 3G, 4G and 5G internationally since 1999. For the dutch railways he was involved in GSM-R projects for several years. He has been providing GSM-R training since 2015.
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Plan for Your Next Communications & Collaboration Systems Migration!
For the past 25 years Enterprise Connect, the industry's premier event, has presented leading market and thought leaders, comprehensive analysis, in-depth technical sessions and the largest and broadest exhibition focused on systems, software, services, applications for enterprise communications and collaboration.
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What's happening in PresUniv
According to the Ministry of Communication and Information (Kemkominfo), 13 regions in Indonesia will have 5G services. The details, one in DKI Jakarta, six in the provincial capital in Java, five for super-priority tourist destinations, and one manufacturing industry. This was conveyed by Drs. Antonius Suhartomo, M.Eng.Sc., MM, Ph.D., Head of Electrical Engineering Study Program, President University (PresUniv), in the 5G Future Technology webinar entitled "The Impact of 5G for Society Smart Factories and Digital Transformation,” which was held by the President University Major Association (PUMA) Electrical Engineering, Saturday (4/9). Mia Galina, S.T., M.T., a lecturer in the Electrical Engineering Study Program, hosted this webinar. This webinar was attended by 1000 participants via zoom and 1304 participants via youtube.
This webinar presents two resource persons: Dr. I Ketut Agung Enriko, ST, MSc, Senior Manager Research and Innovation Management at PT Telkom Indonesia, and Joko Sutopo, Plant Director at PT Schneider Indonesia - ETO Cikarang Plant. According to Enriko, 5G technology will support more devices, increase speed, and help industries in various fields are more productive. So, what are the advantages of 5G over 4G? Enriko explained, 5G has a latency of less than 1ms, a potential download speed of up to 10Gbps, its placement does not require a tower, OFDM Encoding which reaches 100 to 800 MHz channels, and a goal for cell density which is 100 times greater than 4G. "With so many advantages, the benefits of 5G that can be obtained in the future will increase," he said.
Agreeing with Enriko, Joko explained that 5G technology is being developed in line with the Industrial Revolution 4.0 era using machines integrated into the internet network. "This 5G innovation supports the Industrial Revolution 4.0 because the industry will be able to run optimally with a more effective and efficient system," he said. Joko gave examples of the implementation of 5G in the Industrial Revolution 4.0, such as Virtual Reality (VR) & Augmented Reality (AR), vehicles with automatic steering, plant control and management, and predicting engine damage for preventive measures. (Gilang Suryanata, PR team. Photo: Doc. PUMA Electrical Engineering)


The RowanSOM Library is happy to announce that it has purchased 5 noise canceling headphones. These headphones are kept on reserve behind the library’s service desk. Students can check the headphones out for use in the library. A Rowan ID will be held at the service while using the headphones, and the headphones cannot be used outside of the library.
In addition to noise canceling the headphones can also connect wirelessly to your phone, tablet, and laptop using Bluetooth. A small instruction card on using noise canceling and connecting to devices is included with each headphone.
The library hopes you find these headphones useful as you prepare for your next exams.


Nodes Direct is a privately held technology holdings company based in Jacksonville, FL. We own and operate an expansive fiber optic network (AS19531) for the purpose of providing business & residential Internet, telephony, television, and cloud services.
WiFast provides fiber Internet, Hosted VoIP, and Television services to businesses using our state-of-the-art fiber optic network. WiFast maintains a point-of-presence in most buildings in the Downtown, Riverside, and San Marco areas.
Dedicated Professionals provides colocation services in the Jacksonville, Atlanta, and Miami markets from key datacenter facilities used to power our backbone.
We operate a 24/7 Network Operations Center and Network Security and Abuse Desk. Any abuse or technical related issues should be addressed to the contact information provided above and an engineer will promptly investigate and resolve the issue. Responses may not be given for abuse reporting; however, please rest assured the issue is being handled with the utmost urgency and importance. We ask that any complaints clearly state the responsible IP address and include detailed logs where available. Without such information, it is difficult to resolve the reported issue.
General Inquiries: firstname.lastname@example.org
Network Operations: email@example.com
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Signals and Systems: A Primer with MATLAB by Matthew N. O. Sadiku, Warsame Hassan Ali
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jetNEXUS’ default mode is as a Reverse Proxy, meaning that it handles incoming client requests and communicates with the load balanced servers behind it on their behalf.
In this mode, incoming client connections hit the edgeNEXUS Load Balancer, which then opens new and separate connections to the backend servers (aka ‘Content Servers’ or ‘Real Servers’). This means that clients never communicate directly with the backend servers, allowing edgeNEXUS to securely publish applications via the web. In a two-legged mode, edgeNEXUS can be set up with one-leg in the DMZ and one-leg in the internal network to ensure unauthenticated connections never make it into your internal network.
By acting as a Reverse Proxy, edgeNEXUS is able to intercept application traffic and offload processes from application servers in order to improve performance, carrying out tasks like SSL Offload, Compression and Caching far more efficiently than the servers themselves.
The edgeNEXUS Reverse Proxy connectivity method now features a full native UDP Proxy and can also act as an IPV6 to IPV4 Gateway.
Increase Application Security with Reverse Proxy
The edgeNEXUS reverse proxy mode can work in combination with pre-authentication to prevent unauthenticated and untrusted traffic from accessing resources residing on a private, corporate network.
“The level of administration, management and monitoring offered by edgeNEXUS is far superior to all the alternative solutions we considered."


SendPro™ P / Connect+® Series 2000
SendPro2000 is a powerhouse of productivity designed for the mid- to high-capacity mailroom. Not only is it simple to learn and operate with its intuitive colour touch-screen user interface and application based navigation, but it can help you use every transactional mailpiece you send to grow your business. Its optional black and process colour printing modules can simultaneously print marketing messages and postage indicia. The SendPro2000 also enables users to download software updates, send reports, check postage rates and get support, right on the machine.
SendPro™ P / Connect+® Series 3000
The SendPro™ P / Connect+® Series
takes what a mailroom is capable of to the next level, both in terms of productivity and capability. It prints mail permits and indicia faster than any machine currently available, but its transformative printing capabilities don’t end there. It can produce custom envelopes with transpromotional marketing messages on demand. This makes every envelope an opportunity to generate revenue. Plus, it’s easy to use and maintain with an intuitive colour touch-screen display, application based navigation and Web connectivity.
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In a world where the Internet of Things (IoT) has rapidly taken center stage, driving innovation across industries through the integration of internet-connected devices, we are committed to staying at the forefront of these technological advancements. Our goal is to provide cutting-edge IoT software development services that align with the latest trends and deliver unparalleled solutions.
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At Mega-Sup, our dedicated teams are experts in crafting IoT applications that harness the power of sensor data, predictive analytics, and machine learning. All of our solutions adhere to industry standards, ensuring reliability and security.
Our team possesses a wealth of expertise in deploying applications across diverse platforms, from gadgets and servers to cloud services. Our suite of IoT development services encompasses:
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Over the years, Mega-Sup has evolved as a frontrunner in IoT development, turning visionary concepts into reality. Our strengths lie in:
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Our adept teams thrive on developing industrial IoT solutions, be it for agriculture monitoring, visualization software, or marketing applications. We leverage cutting-edge technologies to ensure robustness and efficiency.
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Researchers at the University of Surrey’s 5G Innovation Centre (5GIC) achieved a speed of one terabit per second, which is significantly faster than current data connections. It was announced earlier this year by Ofcom that they would expect 5G to be available in Britain by 2020.
The 1Tbps speed could potentially see an individual download a file 100 times the size of a feature film in about three seconds, but obviously it remains to be seen whether the speed can be replicated in real world conditions. As yet, there is no accurate timescale of when 5G will be rolled out, and many people are still not satisfied with 4G coverage so there is a long way to go. This does show, however, that 5G can be extremely fast, and we’re sure the record will be broken numerous times before it’s available throughout the whole of the UK.


IEEE 802.15.4, ZigBee-and 6LoWPAN modules, 12.7 x 25.4 x 2.5 mm
The RC2201HP is a complete ZigBee-ready module supporting Full Function Device (FFD) and Reduced Function Device (RFD) operation with IEEE 802.15.4 compliant PHY and MAC layers. The compact shielded module is optionally available with an integrated antenna or RF connector. 128 kB flash memory, 32 digital and analogue I/Os, 8 channel 10 bit ADC, 6 pin interrupts, UART and SPI interfaces make it possible to embed the complete application in this tiny module.
Compact ZigBee module dedicated for Smart Energy application (ZNM-SE). The module is based on a ZigBee PRO compliant platform and offers a complete ZigBee PRO protocol included added support for the ZigBee Smart Energy profile.


2 – To remove the cover from the NTD, press these 2 little buttons in and pull the bottom of the cover towards you and lift the cover off.
3 – Make sure you have a patch lead plugged from your NBN box (NTD) to your modem.
4 – As you can see here, the blue cable runs from the NTD to the modem, then the green cables run from modem to the D1 and D2 outlets.
5 – Now you are plugged into D1 and D2, the outlets inside the home labelled D1 and D2 are now active. If you plug into these outlets in the house now they will work.
6 – To get your phone to work, you plug a phone cable into the phone port on the modem and plug into the corresponding port on the wall.


Motivation: a Flexible, Mobile, Reconfigurable and Large Aperture in the Sky
The goal of this effort is to develop a novel concept of a beamforming system on swarm flying drones. A large and flexible aperture can be implemented by the coherent combination of swarm drones. Spatial resolution, system SNR and gain are expected largely improved by a large number of swarm micro-UAVs.
We firstly experimentally demonstrate a coherent beamforming array on two flying drones with random drone element positions. As shown in the plot below, the system output SNR at the final receiver is larger than the individual drone elements without using beamforming. This prototype is expected to be extended to a beamforming array based on a large number of swarm drones for future wireless systems.
System block diagram
Test Results with SNR improvement
Time-Varying System on rotating flying drones:
Interference mitigation using fast rotational flying drones (demonstrated by a mechanical rotational array antenna)
J. Diao, M. Hedayati, Y, Huang, and Y. E. Wang, “Adaptive Beamforming Array on Swarm Aperture: A Localization Free Approach”. IEEE Trans. Antennas Propag., in preparation.
J. Diao, M. Hedayati, R. U. Tok, and Y. E. Wang, “Mechanical Rotational Arrays for Low Sidelobe Levels and High Angular Resolution”. IEEE Trans. Antennas Propag., in preparation.
J. Diao, Hedayati, M., & Wang, Y. E. (2019, January). Experimental Demonstration of Distributed Beamforming on Two Flying Mini-Drones. In 2019 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM) (pp. 1-2). IEEE.
M. Hedayati, J. Diao, and Y. E. Wang. "Adaptive Communications with Swarm Aperture." 2019 IEEE Radio and Wireless Symposium (RWS). IEEE, 2019.


The Citizen Warning and Notification System VOX or VISO is a combination of wireless public notification and citizen warning system. Through voice notifications, it helps prevent damages in human health and limit material losses. The system is used predominantly by municipalities but can also be applied in chemical and food producing enterprises. The VOX system can be connected to the nationwide uniform citizen warning and notification system.
Our system is already operated, for instance, in the association of municipalities of Desná, Františkovy Lázně, Domažlice, Kralupy nad Vltavou, and Písek.
Advantages of the Citizen Warning and Notification System:
- Prevention of damages in human health and material losses
- Suitable for small villages, medium-sized and large cities
- Possibility of connection to the nationwide uniform citizen warning and notification system
- Also suitable for industrial enterprises handling hazardous substances
- Can be integrated with other information systems, camera systems, etc.


Open Source Technologist
Denys has worked for Texas Instruments for over 11 years and dabbed into developing numerous Linux-powered embedded devices and products, ranging from DSL/Cable modems, Network routers, VoIP adapters to media and security platforms built on MIPS and ARM architectures. In recent years Denys led development of the Arago Project - an in-house unified SDK framework, based on OpenEmbedded and the Yocto Project, for TI DaVinci and OMAP embedded processors.
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This instrument is designed to identify and trace wires or cables without damaging the insulation.
You can also use it in checking for short circuits and locating open circuits and so on. There are Sender and Receiver functions included in the instrument.
- ✅Tracing of wires is made possible even inside bundles, conduits, behind panels, under carpets, upholstery, etc
- ✅ Easy to use: Simply connect the transmitter in series with the circuit or wire under test, (i.e.: in place of a blown fuse, across a connector, in series with an open wire, a light bulb socket, etc.), and scanning the circuit/wire with the tracers flexible probe to find the trouble spot
- ✅ 42 V Ready: for use in the new generation of vehicles with mixed or single 42 Volt systems
- ✅ Operates on DC voltages from 6 to 42 volts
- ✅ Internally protected against power surges and overloads
- ✅ 7″ flexible probe allows reaching wires in congested places
- ✅ Transmitter and Receiver LEDs show open or short circuit conditions
- ✅ Adjustable sensitivity for all tracing situations
- ✅ No wire piercing required, non-contact technology!


Wi-Fi Network Connected Wireless Speakers
AirPlay allows you to transmit music to any of the speakers in your house at the click of a button. Transmit to a single speaker directly from your iOS Device, or transmit to multiple speakers at the same time using iTunes on a Mac or PC. Using the Remote App, you can connect multiple speakers to iTunes and control them all remotely from your iOS Device. AirPlay is also built into many Apps available from the App Store, so you can instantly stream the sound from tv, radio, and some games to any connected speaker.
Android Devices don’t get left out either, The SmartSpeaker has been updated to include compatability with DLNA Certified Apps running on Android, and our own app, Play The SmartSpeaker, is available free of charge to connect your music to our speakers.
Our Portable AirPlay speaker utilises a built-in rechargeable battery and Apple’s AirPlay technology to enable you to enjoy totally wire-free home audio.


Bluetooth Low Energy
Bluetooth Low Energy Fundamentals
The Bluetooth Low Energy Fundamentals course is an online, self-paced course that focuses on teaching the basics of Bluetooth LE using Nordic Semiconductor devices (nRF52 and nRF53 Series). Through hands-on learning, participants will learn how to create a Bluetooth LE prototype and establish a wireless, unidirectional and bidirectional data channel between two Bluetooth LE devices in a short period of time.
Upon completion of the course, participants will have a thorough understanding of the Bluetooth LE protocol and its layers, as well as knowledge of available APIs in the nRF Connect SDK, which is based on the Zephyr RTOS. Additionally, participants will have gained practical experience in configuring Bluetooth LE advertisements and connections, as well as insight into securing Bluetooth LE connections and inspecting packets over the air using nRF Sniffer
What you'll learn
Who should enroll in this course?
You should enroll to this course if you are interested in learning about the Bluetooth LE protocol and want to build a Bluetooth LE prototype using Nordic Semiconductor’s products. The course is aimed to embedded software engineers, firmware developers, or anyone interested in microcontrollers and embedded systems.
- Get an overview of a Bluetooth LE application architecture
- Learn about the available device roles and communication topology options covered by Bluetooth’s Generic Access Profile (GAP)
- Practice through a hands-on exercise how to read the status of a button on your Nordic device via your smartphone by using the nRF Connect for Mobile app and establishing Bluetooth LE connection
- Practice through a hands-on exercise how to toggle a LED on your Nordic device via your smartphone by using the nRF Connect for Mobile app and establishing Bluetooth LE connection
- Understand the basics of the legacy advertising process and the different advertising parameters involved (advertising interval, TX power, channels, and PHY used)
- Learn about advertising types (connectable vs non-connectable, scannable vs non-scannable, etc. )
- Examine Bluetooth LE address types (Public, random, static, resolvable, etc.).
- Learn how to use nRF Connect SDK API to configure all aspects of Bluetooth LE legacy advertising
- Practice through hands-on exercises creating Bluetooth LE beacons
- Practice through hands-on exercises configuring the advertising packet of a Peripheral device during the device discovery phase
- Understand the connection process in Bluetooth LE
- Learn about the different connection parameters and what they do
- Learn how to change connection parameters
- Practice through hands-on exercises how to establish a connection and modify various connection parameters
- Understand the roles of the Generic Attribute Protocol (GATT) and Attribute Protocol (ATT)
- Learn how GATT is used to represent/exchange data in Bluetooth LE connections
- Examine the attributes table of a Bluetooth LE peripheral device
- Master how to create GATT services and characteristics
- Learn about the available standard Bluetooth LE services in nRF Connect SDK
- Practice through hands-on exercises creating and adding custom and standard Bluetooth LE service and characteristics
- Practice through hands-on exercises using GATT APIs (read, write, write with no response, notify, indicate)
- Understand the security model available in Bluetooth LE
- Examine the authentication and encryption procedures in Bluetooth LE
- Examine the bonding procedure and how data is stored in the flash memory
- Explore nRF Connect SDK Kconfig symbols related to security
- Practice through hands-on exercises using the APIs in nRF Connect SDK to secure a Bluetooth LE connection
- Learn how to use a Bluetooth sniffer to capture advertising packets
- Learn how to install and run Nordic’s Bluetooth sniffer, nRF Sniffer, to capture and analyze Bluetooth LE packets
- Using the nRF Sniffer, learn how to follow a connection and inspect the communication
- Observe and decrypt the Bluetooth LE communication of a secured connection
- Basic knowledge in the C programming language.
- Some experience in developing software for embedded systems.
- nRF Connect SDK Fundamentals course
- (Required) Lesson 1
- (Recommended) Lesson 2 – Lesson 8
- A computer running Windows, macOS, or Linux
- An up-to-date web browser


AOPC - Network Technician (18-22)
November 29, 2018
$47,051 - $55,635
This is a technical networking position on the Network Infrastructure team which applies strategies, policies, procedures, risk analysis, LAN/WAN design, and network configurations and methodologies to configure and implement new networking equipment, while troubleshooting and maintaining current networking equipment and server infrastructure for the AOPC, Unified Judicial System network (UJSNet) and various court agency systems throughout Pennsylvania. This position provides 24/7 technical support and daily operations of AOPC’s data networks, equipment, and monitoring tools.
- Supports data center equipment, LAN and WAN equipment, and wireless networks.
- Performs switching, routing, monitoring, troubleshooting, performance analysis, device configuration, and solution and design development.
- Assists in troubleshooting for remote court locations including configuration and administration of serial interfaces, sub-interfaces, Ethernet circuits, T1 and OC3 circuits, and DMVPN connectivity utilizing various methodologies supporting the hardware, software, and configurations.
- Assists in the administration, design, and development of monitoring tools that monitors LAN/WAN equipment, and server infrastructure within the AOPC data centers.
- Executes automation scripts in order to perform health checks on court case management systems.
- Performs Linux and Windows server management.
- Associate’s degree in any information technology (IT) field; AND
- One year of technical experience in network operations/maintenance; OR
- Three years of experience providing IT support services including hardware and software installation, operation, and maintenance within a network environment.
- Knowledge of: Cisco Routing & Switching and Command Line Interface (CLI); circuits such as OC3, Ethernet, T1, Wavelength, Broadband, and POTS lines; Cisco Wireless Infrastructure and Access Points; basic protocols such as BGP, EIGRP, SNMP, HSRP, SMTP, DHCP, DNS, DMVPN; and fiber and copper backbone and patch cables preferred.
- SDWAN or software defined networking experience is a plus.
- Satisfactory criminal background check required.
Unified Judicial System Hiring Policy
The Unified Judicial System of Pennsylvania recruits, employs, and promotes the most qualified applicants without regard to their political affiliation, race, color, age, national origin, sex, sexual orientation, gender identity or expression, religion, disability, or other non-merit facts or considerations. Reasonable accommodations will be provided to applicants with disabilities as may be necessary to ensure that all applicants are given a fair and equal opportunity to compete for all employment positions. Applicants who need accommodation for an interview should request so in advance. UJS hiring and employment policies and procedures are intended to conform to all applicable state and federal laws governing fair and non-discriminatory hiring and employment practices and are subject to change as necessary to remain in compliance with such laws.
Applicants requiring accommodation, for any part of the application and/or interview process, should contact Human Resources at (717) 231-3309.


- You are here: Home > AIS
You are here
The Automatic Identification System (AIS) is an automatic tracking system used on ships and by vessel traffic services (VTS) for identifying and locating vessels by electronically exchanging data with other nearby ships, AIS base stations, and satellites. When satellites are used to detect AIS signatures then the term Satellite-AIS (S-AIS) is used. AIS information supplements marine radar, which continues to be the primary method of collision avoidance for water transport.
There is currently no content classified with this term.


time well spent?
i have spent almost the entire day trying to get wireless networking up on my laptop. first i bought two different wireless devices and two routers from Fred Meyer but was unable to get either to work after several hours. then i drove to a little computer shop far away to get two more wireless adapters and an ethernet adapter (this serial upload link is driving me crazy). i’m really hoping i can get this stuff to work because it will save me money in the long run. i guess i couldn’t really think of a better way to spend this rainy day. ;P


The HDMI ARC is the latest version of the HDMI cable. The cable is used for newer versions of HDTV (high-definition television), HTIB (home theater in a box), receiver, and sound bar. HDMI 1.4 introduces the feature known as ARC (abbreviation for Audio Return Channel) among other features, and it uses two pins from the connector – first is the hot plug detect pin and second is the previously unused pin.
As an audio link, the main purpose of the "ARC" feature of the HDMI ARC is to act as a replacement for the other cables between the TV and the A/V receiver or speaker system. Such direction is utilized when the television acts as the generator or the receiver of the video stream rather than the other equipment. This is applicable in cases like when a particular app is being run on a smart TV like Netflix (a provider of on-demand Internet streaming media available to viewers from North and South America, United Kingdom, the Caribbean, and other countries), but the audio reproduction is taken care of by another device.
Without the Audio Return Channel, the audio output from the TV needs to be routed by using another cable (typically the TOS-Link or coax) into the speaker system. In terms of the pins being used, the HEC (abbreviation for "HDMI Ethernet Channel") and the HDMI ARC have something in common. Furthermore, the HEC and ARC support combined via one port or cable is also known as the "HEAC", or the "HDMI Ethernet Audio Control".


Managed Services You Can Trust
We provide engineering services and consultancy for solar, audio and tehnology projects.
What We Do
Developing photovoltaic systems (feed-in and off-grid systems)
Audio productions, mixing and audio editing
Technology and IT
Development and managing technology projects
Specialized Engineering Services & Technology Consulting
Since 2005 Ecosol Ltd. is a firm for multi-disciplined specialty engineering services with a trusted network of commissioning providers. We realize project and product development in the field of solar energy (only photovoltaic systems), audio engineering and technology driven projects.
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Edgara Liepiņa iela 6
M-F: 10:00 – 18:00


ARM Based V2V Wireless Serial Communication System with Li-Fi Technology
Vehicle-to-vehicle unidirectional wireless serial communication system prototype based on visible light spectrum, OOK modulation and UART protocol. Used ARM Cortex-M3 based STM32 development boards, and programmed with C language and HAL library.
Cost Effective Spin Coater
In order to deposit uniform thin films onto flat substrates, an opensource and cost-effective device that enjoys Apache-2.0 License. The project is designed as Raspberry Pi Zero based. The main software including GPIO and I2C LCD libraries are written in Python.
PIC18 Based Snake Game
Snake game on 8x8 dot matrix. Used PIC18F46K22 MCU, and programmed with C language with Microchip's XC8 compiler.


Needn’t backlight, the display unit can self-luminous
High resolution: 128 * 64
Viewing angle:> 160 °
Supports many control chip: Fully compatible with Arduino, 51 Series, MSP430 Series, STM32 / 2, CSR IC, etc.
Ultra-low power consumption: full screen lit 0.08W
Voltage: 3V ~ 5V DC
Working Temperature: :-30 C~70C
Module Size: 27.0MM * 27.0MM * 4.1MM
SPI Interface, need 4 IO only.
Driver IC: SSD1306
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The MITRE Corporation
202 Burlington Rd.
Bedford, MA 01730
The MITRE Corporation
Interfaces continue to evolve. In the beginning, there was unimodal interaction, via keyboard. As hardware and software technology evolved, the range of potential interactions increased substantially to include: mouse interaction and other pointing devices; graphical, audio and animated output; and (more recently) speech recognition and language understanding (for a summary, see Maybury (1995)). Until recently, there was only one possible ``host'' environment for applications offering such multimodal interactions: namely, a standalone application. The World Wide Web in general, and Web browsers in particular, have broadened the possibilities.
For instance, via CGI scripts, external applications can be spawned from Web browsers. Via forms interfaces and sophisticated applications of the HTTP protocol, Web browsers can serve as clients for remote services such as database queries (for a particularly sophisticated example, see Rice et al. (1995)). And finally, thanks to mobile code, there is the potential for sophisticated multimodal interactions to be hosted directly by Web browser environments; previous efforts in speech input, for instance, required modifications to the Web browser itself (see Novick and House (1994)).
The HCI group at the MITRE Corporation has been involved for many years in the design and construction of advanced multimodal interfaces involving language understand and generation, speech recognition and synthesis, interpretation of deixis and direct manipulation, and graphic design and presentation. One of our current research goals is to duplicate, in Web-hosted interactions, the entire range of communication supported in our previous work, and to reach beyond to asynchronous architectures. In this paper, we will describe some initial experiments and building blocks we've been pursuing in support of this goal.
The MITRE Corporation has been involved in research in intelligent human-computer interaction for approximately ten years. Our initial NL understanding system, King Kong, and its multimodal sister AIMI (An Intelligent Multimodal Interface) (Bayer and Vilain (1990), Burger and Marshall (1993)) are completely interpreted interfaces. That is, virtually every input and output is translated into (or out of) a rich, medium-independent semantic representation which exploits a model of the application domain. These systems share this property with systems like CUBRICON (Neal and Shapiro (1991)), WIP (André et al.), etc. The AIMI system featured input via text, mouse deixis, and direct manipulation, and output via text, graphs and map displays, all of which were interpreted and tracked as the interaction progressed.
More recently, we have developed a new sample application, the Intelligent Project Planner (IPP), which extends our exploration of modular, multimodal interaction. Specifically, it is the initial application of our fine-grained toolkit approach to multimodal interfaces, and adds speech recognition and synthesis to the range of I/O options. A sample IPP interaction is illustrated in figure 1.
Figure 1: A sample IPP interaction.
In this demo, the user can get information about employees, their charge distributions, schedules, supervisors, travel plans, etc. The demonstration consists of:
The flow of control of the interface is a simple synchronous pipeline architecture. The window interface communicates with Glacier and TrueTalk via spawned subshells; it interacts with the modules written in Common Lisp via the Lisp server. For instance, if the user asks ``Who is Robyn's supervisor'' via speech, the window interface invokes Glacier and waits for Glacier to return a string. The interface then passes a string to the Lisp server, where it is parsed, interpreted, passed through the discourse module, and translated into SQL. The Lisp server consults the SQL database and produces an answer, plans the presentation, and passes the data for presentation back to the window interface, which creates graphic displays or speech or text output depending on the type of output. In this case, the system would respond (via text or speech) ``Lynette supervises Robyn''. If the user were to ask ``What is Robyn working on in March'', the IPP might respond with a bar chart showing Robyn's charge distributions by project and time period. Our intention is to move this technology into a Web-hosted, asynchronous architecture.
In this section, we describe our step-by-step construction of multimodal interaction. We approached this task by creating a series of small sample applications, each demonstrating a piece of the total functionality we were aiming for. Each runs as either a stand-alone window-based application, or a Grail applet.
In order to allow multimodal interaction, we needed some way to communicate with the services available to provide the different modalities. Because of the limitations imposed by the rexec module used in Grail 0.1, we chose Python's built-in socket module. For further discussion of security issues, see the security section below.
As an initial exercise in socket communication, we built a simple finger tool (figure 2). This tool allows the user to specify a person to finger and a host to finger them at, connects to the host's finger port via the socket interface provided in Python, and returns the appropriate finger information to the user.
Figure 2: A simple finger client.
To demonstrate speech output capability, we built an application which speaks (via the TrueTalk speech synthesizer) the contents of an entry widget (see figure 3).
Figure 3: A speech output client.
In order to interact with the speech synthesizer, we wrote a simple ``one-time-only'' server which listens for a connection on a given port, accepts a single connection, connects its stdin and stdout to the connection, and executes a single shell command. Using this server, we invoked the speech synthesizer so that it was listening on the port. Then, just as in the finger demo, we were able to connect to the socket, send the text to be spoken, and hear the results of TrueTalk processing it.
For speech input, we used our ``one-time-only'' server as described above, this time with the MITRE-built Glacier speech recognizer. The speech recognition grammar for this small demo was the grammar we used for the IPP. Then we were able to write a simple application where the user speaks a sentence (query) from that grammar, and the application reports the output of the speech recognizer (see figure 4).
Figure 4: A simple speech input client.
In the IPP, understanding and generation of utterances of all sorts is handled via a group of Common Lisp modules. Communication with these modules is enabled by a socket-level Common Lisp server, based on interprocess communication code provided by Franz Inc. for its Unix implementation of Allegro Common Lisp. The initial implementation of this server could be paired with both C and Common Lisp clients; for this application, we added a Python client as well. Like tcl-dp and the Python remotecall module, the Lisp server itself supports proxies. The applet described in the next section illustrates this interaction.
In order to support the full range of interactions we desire, we require a fairly complex architecture. The reason we want multimodal interfaces to involve multiple interacting processes (such as speech services and interface processes as described above) is because we want both the interface and the utilized services (such as speech recognition, speech synthesis, etc.) to be interruptable. A user ought to be able to tell an interface to be quiet if the interface is speaking too long; a user ought to be able to cancel a request; a system ought to be able to ask the user clarification questions during processing. In all these cases, if the interface interacts synchronously with any of its services (say, if a callback invokes a language processing module and waits for its response), the interface will not execute any more events until that callback returns. There are some ugly ways around this problem in the synchronous paradigm, but the most elegant solution is for the callback to dispatch a request to another process, and enable that process to send a response to the interface process. In this way, the interface is available to process additional interface events while its peripheral services execute.
This architecture requires multiple processes to share objects, or proxies for objects; furthermore, the processes must be both clients of and servers for one another. We already have the pieces to construct this architecture. One potential piece of this architecture is Daniel Larsson's remotecall module, which supports remote execution of Python code.
Interfaces are already servers, essentially; they typically run an event loop which listens for input. The remotecall module is designed to make it easy to ask the interface to ``listen'' to a port in addition to listening for the normal interface events. In this way, it's possible to invoke a callback which corresponds to code evaluation from a remote process which is communicating with the interface via this additional port. To demonstrate this functionality, we built a simple application consisting of a scrolling text widget which can be cleared via a button in the interface. The Python object containing the text widget and scroll bar also defines a method for inserting text into the widget. Once the mainloop is called to allow GUI interaction, it is no longer possible to call any methods from that Python shell; however, the remotecall module allows us to communicate with the application from another process. Calls to the text_insert method of our application from another Python shell via remotecall allow text to be added to the widget, which is immediately reflected in the interface.
Another way of implementing asynchrony is to attach a callback not to a remotecall loop, but rather directly to the GUI's event loop. We used this latter technique in Tk to implement our final applet demo, which combines speech recognition, speech synthesis, and NL interaction asynchronously in a fragment of the IPP reconstructed in Python. The Tk application is instructed to listen for asynchronous input from speech input and NL processing via the createfilehandler method; input asynchronously received from speech recognition is passed to NL processing, and input asynchronously received from NL processing is passed to speech synthesis. This interaction is illustrated in Figure 5.
Figure 5: A fragment of the IPP embedded in Grail.
One of the standard features of any multimodal interface is a pop-up dialogue window. In many cases, such windows are used for various types of transient queries, warnings and confirmations to the user. In this function, concerns of placement and screen real estate are minimal, since these pop-up windows are intended for immediate attention, and are dismissed as soon as the user interacts appropriately with them. However, there are other uses of pop-up windows which raise questions for Web-hosted interfaces.
For instance, the IPP uses pop-up windows as vehicles for graphical responses, as illustrated in figure 1. These windows are placed on the screen either automatically or by the user, depending on the user's window manager preferences. No issues of screen management are addressed, unfortunately. However, the problem is rendered somewhat more complicated in a Web-hosted interface, namely: if I present a graphical reply, where should it go? Should the interface provide a pop-up window outside the Web browser? Should it append the response to the current document being browsed? Should it provide a new document, as a forms interaction would? The additional range of presentation options raises a number of new questions about interface design and screen management.
As we've described above, we exploit a socket substrate for our interactions with external services, which is currently enabled in Grail 0.1. But because of restricted execution mode, Python extensions which are constructed on top of this substrate, such as Daniel Larsson's remotecall, must be shipped as part of the applet code; dynamically loaded C modules which are not compiled into the Grail executable, such as Farzad Farid's Python bindings for expect, cannot be loaded locally because opening files for any reason is blocked.
However, even this socket substrate presents an enormous security problem. For instance, an applet could exploit security holes in any available TCP server protocol on the local machine. But if this security problem were eliminated -- that is, if socket interaction were disabled in Grail -- we would face a significant difficulty for Web-hosted multimodal interaction.
It might be possible, for instance, to access services on the Web server where the applet originates via HTTP. However, if we intend applet-based graphical interfaces to exploit locally available services, we must be able to communicate with the local operating system. Of course, not all interactions with the local operating system are deemed dangerous; the most obvious examples are keyboard and mouse input and visual output, all of which may be (in fact, must be) accessed by Grail and the applets it runs. These devices are deemed safe (or, perhaps more correctly, must be deemed safe in order to have any interaction at all). In the long run, it might be possible to ``license'' other, higher-level devices as well, such as speech and gesture recognition and speech synthesis.
Part of this task is standardization of the services provided by these high-level devices. For instance, there are at least two standardization efforts underway for speech recognition, including the Novell-led SRAPI consortium and Microsoft's SAPI effort. In addition, it is part of the long-range CORBA strategy to codify and support services at a range of levels, from simple naming services to components of tools like word-processing programs; certainly, at the level of sophistication intelligent multimodal interaction is attempting, only speech services are even close to being susceptible to this sort of codification. If access to such devices were deemed safe and compiled into interface applications, much as keyboard and screen access is, the problem of multimodal interaction in Web browsers would be somewhat reduced.
Another, related possibility is the Java strategy of trusted code, which will allow only code designated as trustworthy to execute without restrictions (for details, see Sun Inc. (1995)). This strategy provides us with a slightly wider range of options; however, the code which interacts with these external interface services would still need to be identified as trustworthy in some way. It will never be appropriate, from a security point of view, to allow access to arbitrary local services.
As our description of the IPP shows, the evolution of the ``host environment'' for multimodal interaction is not the only parameter of change we and others foresee. Where interaction is uninterpreted now, we and others foresee that it will be interpreted in the future; where the standard is so-called ``WIMP'' interaction today, we and others foresee that the future holds a far wider range of modalities, such as speech recognition and synthesis, language understanding and generation, and gesture recognition and animation; where interaction modalities are by and large locally available now, we and others foresee a distributed network of services supported by architectures such as CORBA (see, for example, the work on the Fresco user interface toolkit (Bohm (1995))). Our current research program is targeted specifically at supporting this migration. In this document, we've described some of the experiments which we're conducting to support one dimension of this migration.
Elisabeth André et al. (1993). ``WIP: The Automatic Synthesis of Multimodal Presentations.'' In Maybury (1993).
Samuel Bayer and Marc Vilain (1990). ``The Relation-Based Knowledge Representation of KING KONG.'' Presented at the AAAI Spring Symposium on Implemented Knowledge Representation Systems.
Samuel Bayer, Erica Bernstein, David Duff, Lynette Hirschman, Susann LuperFoy, and Margot Peet (1995). ``Spoken Language Understanding: Report on the MITRE Spoken Language System''. Presented at the ARPA SLS Workshop, Austin, TX, January 1995.
Denis Bohm (1995). ``Fresco - A Fresh Approach to User Interface Systems.'' http://www.faslab.com/fresco/HomePage.html
John Burger and Ralph Marshall (1993). ``The Application of Natural Language Models to Intelligent Multimedia.'' In Maybury (1993).
Michael Elhadad (1993). ``FUF: the Universal Unifier: User Manual, Version 5.2.'' Manuscript.
Mark Maybury, ed. (1993). Intelligent Multimedia Interfaces. AAAI Press: Menlo Park.
Mark Maybury (1995). ``Research in Multimedia and Multimodal Parsing and Generation.'' Artificial Intelligence Review 9, pp. 103-127.
Jeannette Neal and Stuart Shapiro (1991). ``Intelligent Multi-media Interface Technology.'' In Sullivan and Tyler (1991).
David Novick and David House (1994). ``Spoken Language Access to Multimedia (SLAM): A Multimodal Interface to the World-Wide Web.'' Technical Report CSE-95-008, Department of Computer Science and Engineering, Oregon Graduate Institute of Science and Technology. Available at ftp://www-ksl.stanford.edu/pub/KSL_Reports/KSL-95-69.ps
Joseph Sullivan and Sherman Tyler (1991). Intelligent User Interfaces. ACM Press Frontier Series. ACM Press: New York.
Sun Inc. (1995). ``HotJava: The Security Story.'' http://java.sun.com/1.0alpha3/doc/security/security.html


Business model analysis as a Business Model Canvas and Value Proposition Canvas of the entertainment and communication technology manufacturer TechniSat.
This digital product includes the business model of the entertainment and communication technology manufacturer TechniSat as a Business Model Canvas. Furthermore, you will be provided with a Value Proposition Canvas for one typical customer segment of the company. You can also find similar business models at Nubert electronic and Loewelo Technology. TechniSat Digital GmbH develops and produces products in the fields of consumer electronics and information technology. Furthermore, the company based in Daun, Rhineland-Palatinate, is one of the leading German manufacturers of televisions and digital receivers. TechniSat is part of the Techniropa Holding GmbH. (Source: Wikipedia)


Radio Officers Amateur Radio Society
ROARS MISSION STATEMENT
- To encourage Radio Officers to use their professional skills to benefit the worldwide radio amateur community
- To promote the use of professional skills in radio amateur-led communications during times of national disaster and emergency
- To preserve and extend the use of a professional standard of morse code in the radio amateur fraternity
- To advise and, where practical, assist Radio Officers in the installation of radio amateur stations and antennae
- To provide and manage on-air net forums for Radio Officers to communicate directly using radio amateur facilities
- To assist Radio Officers in gaining a radio amateur licence if required
Amateur Radio – A National Asset
- Amateur Radio in the United Kingdom performs the following National and International functions:
- It provides a source of interest and expertise which encourages and supports careers in electronics industries and services.
- Amateur Radio operates and maintains national and international emergency communications networks for disaster relief – viz. Mexican and Californian earthquakes, Lockerbie air crash, rescue of ocean going yachtsmen, New York’s September 11th, East Anglia Floods, Balkans uprisings and civil wars, Tsunami aftermath. (The basic design of amateur radio equipment enables it to be operated from minimal supplies e.g. car batteries, if the national grid is put out of action.) Its application to assist in countering the effects of a major terrorist attack should be recognised.
- Amateur radio provides a pool of telecommunications, computer and electronics expertise which can be quickly drawn upon in times of war.
- The Amateur Radio fraternity bridges cultural, political and ethnic boundaries. Its various modes of operation enable language barriers to be overcome.
- Amateur radio participants provide one of the World’s largest R&D facilities (unpaid) which contributes to the many fields of communications viz. propagation studies, new modes of communication such as HF SSB and meteor scatter, satellite communications, digital modes and related systems.
- Some 60,000 amateurs are licensed in the U.K. (131 ROA Members have amateur callsigns). Hundreds of thousands embrace the hobby from every country on the Planet. The USA, Rest of Europe, Russia and Japan are leading proponents.


YongBai Technologies is a small electronic engineering services company located in Shanghai, China. We specialize mainly in hardware and firmware for embedded systems projects.
We also design test station hardware and software used in factory production lines.
We offer hardware and software development services spanning the entire product development cycle from prototyping to production.
We can also help with design reviews, performance optimization, manufacturing assistance, test station implementation, etc.
We have several decades of experience developing and optimizing firmware, designing and building hardware, implementing test functions, and so on.
Additionally, we have worked with electronic factories in China and are familiar with the typical product manufacturing production lines.
Please feel free to contact us for more information. Send an email to “infо” at this domain name describing your request and we will get back to you shortly.


With the recent surge of high-resolution and high-refresh-rate monitors hitting the market, choosing the right cable to use to connect your computer (or, graphics card) to your monitor has never been more important of a task.
Four to five years ago, when higher resolution gaming was rare and higher refresh rate monitors weren't as prevalent, any of the three common display interfaces (DVI, HDMI, & DisplayPort) would be a viable option to use to hook up your monitor to your computer.
Nowadays, though, choosing the wrong display interface can actually limit the quality of the picture your display will be able to output in certain scenarios. So, in this guide, we're going to go over the main differences between DisplayPort, HDMI, and DVI and how those differences can affect your gaming experience.
Quick Overviews of Each Display Interface
Before we dive into the different scenarios where the three common digital display interfaces will (or won't) make sense to use, let's first give a brief overview of each.
The DisplayPort interface is the result of a bunch of manufacturers in the PC hardware and peripheral industry getting together to create a display interface that would replace the DVI and VGA interfaces and help them avoid the royalty fees associated with using HDMI ports. The DisplayPort interface's primary function is to, obviously, connect a video source to a display device. However, DisplayPort can also transfer audio data, USB data, and other forms of data as well. DisplayPort can support displays up to 8K resolution and 4K monitors with refresh rates as high as 240Hz. DisplayPort comes in both standard DisplayPort format and mini-DisplayPort format.
*NOTE: It should be noted that DisplayPort 1.4—the latest version of DisplayPort—can support displays up to 8K resolution and 4K monitors with refresh rates as high as 240Hz. However, while Displayport 1.4 was released a couple of years ago, compatible monitors are just now finding their way onto shelves.
HDMI, which stands for High-Definition Multimedia Interface, is an interface that is capable of transferring both video and audio data from a video/audio source to a display or audio output device. While, in the past, HDMI lagged behind DisplayPort in the maximum resolution it supported (and the maximum refresh rate it could deliver at higher resolutions), with the release of HDMI 2.1, HDMI currently now support displays with as high as 10K resolution, and it can also support 4K displays that have a refresh rate up to 240Hz. HDMI comes in three different formats: Type A (standard), Type B (mini-HDMI), and Type C (micro-HDMI).
*NOTE: While HDMI 2.1 can support displays with as high as resolutions as 10K and 4K displays with 240Hz refresh rates, the new HDMI 2.1 specifications have only just been released and so there still isn't any hardware currently available that runs HDMI 2.1 natively.
DVI, which stands for Digital Visual Interface, is another common display interface. Unlike HDMI and DisplayPort, DVI only transfers video data. And, while it is worth mentioning as one of the more common display interfaces, the reality is is that in comparison to what HDMI and DisplayPort offer, there really isn't anything that DVI brings to the table that the other two don't. As a result, DVI is likely in its latter stages as a commonly used display interface. DVI does have two different formats, single-link, and dual-link, and of the two, dual-link has a bit more flexibility in what it can support (we'll discuss that in a moment).
DisplayPort vs HDMI vs DVI For 1080P Gaming
In terms of standard 1080P 60Hz monitors, all three of the common display interfaces are viable options. While DVI doesn't have as extensive support for ultra-high definition resolutions as DisplayPort and HDMI do, it can handle 1080P gaming just fine.
And, even if you want to game on a 1080P 144Hz monitor, all three of these interfaces will work. It's important to note, though, that a single-link DVI cable will not support a 144Hz refresh rate at 1080P resolution. You'll need a dual-link DVI cable in order to use the DVI interface to push a 1080P 144Hz display.
So, the reality here is that for basic 1080P gaming, any of these interfaces will work. And, so, if you already have a 1080P monitor and a DVI/HDMI/DisplayPort cable, keep using that as long as your graphics card has a DVI/HDMI/DisplayPort port on it.
DisplayPort vs HDMI vs DVI for 1440P and 4K Gaming
For higher resolution gaming, namely 1440P and 4K (really, there aren't a lot of people gaming at higher than 4K) any of DisplayPort, HDMI, or DVI (dual-link) will work. However, when you bring refresh rates into the fold, your options will narrow a bit.
And, really, it's at these higher resolutions and higher refresh rates where the different versions of HDMI and DisplayPort need to be considered. So, let's just run down the different scenarios and which interfaces will work with them.
1440P Display Interface Options
- At 1440P and a 60Hz refresh rate, DisplayPort, HDMI, and dual-link DVI will work.
- At 1440P and a 144Hz+ refresh rate, DisplayPort 1.2 (and later) and HDMI 2.0 (and later) will work. DVI will not work.
HDMI 1.3 and 1.4 (which most GPUs have) can support 1080p at 144Hz, but is limited when you move to higher resolution (4K limited to 24Hz, for example).


Digital Acoustics develops and manufactures Mission Critical & Operator Friendly IP Audio solutions. Our IP7 IP Intercoms, IP Amplifiers, IP Speakers, and TalkMaster Software are deployed by top organizations around the world. Digital Acoustics provides industry-leading solutions to our customers, now and in the future.
- August / 2016 – Daniel Lindsay joins Digital Acoustics Team as Jr. Engineer
- January / 2016 – National variety store chain utilizes new Digital Acoustics multi-zone product
- December / 2015 – TalkMaster FOCUS Software launched
- August / 2015 – National Quick-Serve/Drive-in restaurant grows IP intercom deployment


• EcoControl function helps you save up to 25% energy compared to previous generation UPSs (USB models)
• Includes a high performance surge-protection device which complies with IEC 61643-1 standard
• Up to 8 outlets to connect your PC & peripherals
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• USB port & Power Management software for Windows 7, Vista, XP, Linux and Mac OS (USB models)
• Protects data connections such as Ethernet, internet and telephone lines.


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Have you ever wondered what some of the technical language means that vendors use in order to specify the quality of wireless outdoor speakers manufactured by Amphony? In this essay, I will clarify a commonly used specification: THD or “total harmonic distortion”.
It is often tricky to choose a suitable pair of wireless speakers given the great number of models. Aside from looks, you will often be faced with having to consider a few of the technical specs. Total harmonic distortion is typically not very well understood. Nevertheless, this term is nonetheless significant in terms of determining the quality of a specific type. Different specs, such as “output power” or “frequency response” are usually easier understood.
In short, “harmonic distortion” shows how much the audio signal is being deteriorated because of the speaker or in other words how much the signal differs from the original signal. There are two widespread ways in order to state harmonic distortion, either in percent (%) or in decibel (dB). If a speaker states a distortion of 10% for instance then one tenth of the energy radiated by the speaker is distortion. A distortion of 10% can also be stated as -20 dB. 1% distortion is equal to -40dB.
Harmonic distortion in a cordless speaker is in fact the consequence of numerous components, such as the power amp which is built into the speaker in order to drive the loudspeaker element. Amp distortion usually is dependent on the amp output power and is sometimes shown for a few power levels.
Having amp distortion specifications for a few output power levels provides a better picture of the amp distortion performance.Typically distortion is measured with a 1 kHz test tone. This allows comparing equipment from various makers. However, distortion normally varies with different frequencies. Many digital amplifiers are going to exhibit rising distortion amid higher frequency which can not easily be uncovered through glancing at the spec sheet.
Distortion is also induced by the speaker driver itself. Most loudspeakers use a driver that carries a coil. This coil is placed in a magnetic field. The magnetic field is excited by the audio signal. The change in magnetic flux, however, is not perfectly in sync with the audio signal as a result of core losses and other factors. In addition, the kind of suspension of the diaphragm is going to bring about nonlinear movement. This results in the audio being distorted by the loudspeaker element itself. What’s more, the larger to power level with which the speaker is driven, the bigger the distortion. Regularly speaker producers will display distortion for small to moderate output power levels only.
The overall loudspeaker distortion is as a result triggered by the amplifier along with the speaker element and in addition by a series of added contributing factors. The loudspeaker enclose will vibrate to some extent and as a result contribute to the distortion.
The total distortion of the speaker is ordinarily determined by a measurement which includes a low-distortion audio generator plus a microphone that is attached to an audio analyzer. The audio analyzer is going to calculate the amount of higher harmonics and compare these with the main signal in order to compute the distortion. Another distortion measurement method which provides a better analysis of the loudspeaker quality with real-world signals is called interharmonic distortion analysis. This technique outputs two signals at different frequencies and measures the amount of harmonics at different frequencies. Also, please understand that most cordless speakers are going to experience signal distortion during the audio transmission itself. This is mostly the case for transmitters which use analog or FM type transmission. More sophisticated products use digital audio transmission. Normally these transmitters work at 2.4 GHz or 5.8 GHz.


|firma:||ShangHai ZhenDan College of foreign languages|
|tytuł:||A guardianship, alarm and call system for disabled elderly|
|opis:||With the aging of the population, the monitoring of the elderly has become an urgent social problem. Once the elderly is in sickbed by illness, the family is in trouble. Once an emergency occurs, it is difficult for the elderly to make timely calls for help or treatment.
Using STM32 as the control core and the technology of speech recognition and infrared detection of human body, using GSM and 2.4G wireless communication as remote and short-range communication schemes, the system realizes the function of guardianship, alarm and call for disabled elderly.
The system is mainly composed of a wireless monitor fixed on the bed or the human body, one or more fixed wireless alarm buttons and a fixed portable receiver. The monitor includes a wireless communication module, a voice control module and a dialing module, implementing call and alarm at any time. The system for disabled elderly provides services of guardianship, alarm and call, seting family members's mind at rest and ensuring the safety of the elderly.
|Ochrona własności intelektualnej:|


History of the Radio
|Marconi Radio Receiver|
When Benjamin Franklin discovered that there were negative and positive charges in electricity, the search to use electricity as means for communication was started. Radio signals were sent through the many cables of the telephone network and were used mainly for the military.
Nikola Tesla was the inventor of the model for radio, but only in theory. However, Tesla's invention of transformers and the Tesla coil helped in the production of radios. These were some of the core components used in radios.
|Guglielmo Marconi 1901|
Bose did apply for a patent as the inventor of the radio, in 1901 and was awarded it in 1904. However, Marconi by this time had already received the recognition and patent for being the inventor of the radio.
The first wireless transmission of voice, however, was not made until 1895, when Russian, Aleksander Poppov sent a secret message to a ship on the ocean. This was kept secret and the Russian government only recently has given Poppov this credit.
|Lee De Forest|
|The Audion Triode Vacuum Tube|
In 1912, the American airwaves became regulated by the Federal government. All ships had to include a radio and a trained operator. Any amateur radio operators needed to be licensed. As other inventors and businessmen were beginning to see the potential for these amplified radio waves, World War I broke out and the government took over all radio broadcasts and closed down any other radio stations that were not needed.


More office cleanup reading...
|Here’s another interesting article from back in Janaury I just read while sorting through the stacks of magazines in my office. From January's Technology Review: "The Internet is Broken." by David Talbot. You can find it online here.|
Most of what we read about internet innovation these days focuses on "Web 2.0", on all the new interactive internet applications coming on-line. But this article talks about Internet 2.0 from the point of view of the network infrastructure itself, focusing on a massive multiyear National Science Foundation project to redesign the technology used for the net at its most fundamental level.
Why would we need to rethink the net at this level? Because the original internet protocols did not provide for a number of basic capabilities that are added-on as a patchwork of tools, utilities, and applications. We Internet users are so used to this situation that it seems like a natural state of affairs.
The prime example: security. While local area networks and the applications they support devote more and more energy to defending themselves against attack over the Internet, little is being done to make the Internet itself less permeable to malware.
Closely related to security is Identity Management. We're accustomed to establishing usernames, passwords, and password recovery rules with each site we use. In the new internet, identity management and authentication at the network level would replace the crazy-quilt of site-specific authentication.
Tags: nptech, security, identity


European leader in time measurement and management through its 4 areas of business. Founded in 1868 to install tower clocks, recognized for the quality of its products and services. Today, a team of more than 760 enthusiasts applies its know-how to help you measure and manage time.
Novanex, Inc. (formerly known as Inova Solutions) is now the exclusive manufacturer of the Inova OnTime® and Inova OnAlert® products. With the same great assembly team onboard, Novanex will continue to deliver the same high quality products and services Inova Solutions customers have come to expect over the past 34 years.
Founded in 2006, Orolia became the world leader in Resilient PNT in just a few years. With 10 acquisitions in the US and Europe successfully integrated in less than 7 years, Orolia rapidly became one of the few global providers of precise, rugged and reliable positioning, navigation, timing (PNT) solutions that are critical for governments, military, aerospace and defense markets.
Founded in 1993, Planet Technology Corporation is a leading global provider of IP-based networking products and solutions for small-to-medium-sized businesses, enterprises, and SOHO markets. With a strong mission to be a Pioneer of IP Innovation in the global market, Planet designs, deploys and delivers innovative IP solutions with converged data, voice, and video deployment over the wide range of networking technologies.
RGB Technology - Polish manufacturer of innovative LED video screens. We offer outdoor LED video screens in wide applications, such as effective visual advertising and a convenient legible method of conveying information (i.e. in trade, services, tourism, sport, offices).
A pioneer in synchronized timekeeping systems for more than two decades. As an organization, we strive towards innovation and reliability. Sapling clocks can be found in schools, hospitals and industries throughout the country and all over the world.
Providing Reliability and Security through Products with highly Advanced Connection Technologies such as Clock Synchronization and Multi-Protocol Conversion and Total ICT Solutions based on Close Contact with the Client and Market.
Founded in 1988, Starin has grown from a small Midwest based organization to North American coverage. Starin generates demand for and delivers audio, video, multimedia, lighting and communication solutions via added-value measures of channel management, brand development & promotion, training, application assistance, implementation support, sales incentives and procurement programs.
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Test and Measurement
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(as of Jun 26,2022 05:11:23 UTC – Details)
CUBOT, A brand that focuses on the development and production of smartphones for 10+ years.
From design to production, we are putting customers’ demands in our first philosophy. CUBOT is committed to providing high-quality products, favorable prices, fast service.
For many years, CUBOT makes a great effort to innovate and reliable devices for customers all over the world. That’s why the clients trust us year after year.
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We are committed to the development and production of electronic products that are indispensable in people’s lives: mobile phones, watches, projectors, tablets.
What is our goal?
CUBOT is committed to providing high-quality products, favorable prices, fast service for all of our customers.
What are we going to do in the future?
In the future, we will develop more innovative and innovative electronic products that can facilitate human life and communication.
【48MP Main Camera, 5000mAh Big Battery】CUBOT rugged phone unlocked designs with super clearly 48MP main lens+8MP front lens+ 5MP macro lens+ 0.3MP Photosensitive lens+Super Night Mode. The 5000mAh battery, supported 5V/3A fast charging and OTG.
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【Waterproof Android Phone, 4G Dual SIM】Supports GPS + GLONASS + BEIDOU, Dual SIM Dual 4G standby, NFC function, FM radio, face ID, side fingerprint scanner, Bluetooth 5.0, Accelerometer, Gyroscope, Magnetic, Proximity.
【 AT&T Cell Phones, Sturdy Structure Durable Phone】This rugged android phone can work with US compatibility Nationwide on most GSM Networks including AT&T, T-Mobile, Metro PCS, Straight Talk, Ting, H2O Wireless, etc… (Not compatible with New AT&T or Cricket activations or CDMA Networks like Verizon, Sprint, and Boost Mobile).
★NOTE: Check compatibility with your carrier before purchase. If your KingKong 5 mobile phone can’t connect data or no signal or any other issues, please contact us, message will be replied on 24 hours.
★Kindly wiped the sim card clean with alcohol, sim cards that have been used for a long time have dust or oxidation on the surface.
★1. Some carriers have a few non-unlocked SIM cards, in this case, you can contact the carrier to deal with it. 2. King Kong 5 cell phones are turned on Volte by default. If your phone can’t use Volte, then maybe your carrier without Volte in 4G. 3. If your phone only displays 3G/2G, then your location is likely to have a bad signal. When you return to a place with a good signal, the phone will automatically match 4G.


ISDN & Phone Patch information
ISDN - Integrated Services Digital Network (hi-fidelity digital telephone on steroids)
APT-x & layer-2 codecs (compatable with Zephyr™ and Prima™ systems)
Connect to three remote locations simultaneously.
317-255-4862, -4869, -4968
317-255-4974, -9178, -9296
POTS - Plain Old Telephone Service (We swear that's what it's called.)
Digital Hybrids - No, not like the cars. These new "phone patches" give full separation (like ISDN) of caller & receiver audio over standard telephone lines. Fancy!
ADSL - Asynchronous Digital Subscriber Line (no big deal - it's a broadband internet connection)
Typical usage allows you to direct a session over the phone, and then retrieve high-fidelity audio files from our secure site. Or surf the web.


Congratulations to an inventor for receiving Patent No. US 8,655,795B1 directed to a system and related method for establishing geographical communication and predicting mail delivery using mailbox-mounted devices.
Libenzon & Associates obtained patent No.US 8,655,795B1
- Edition 9 of the Manual of Patent Examining Procedure (MPEP) has been released
- Libenzon & Associates obtained patent No. US 8,733,290 B2


In response to several support incidents we have received, I wanted to inform our clients of an issue they may experience with Exchange functionality on iPhone since updating to OS 3.1 software. In order to comply with several security policies, Apple changed the way iPhone and iPod touch devices connect to Exchange in OS 3.1. With the upgrade applied, many users have found that Exchange support has been lost (AppleInsider). The reason for the downgrade in functionality is the need for hardware encryption required to connect to Exchange servers. In fact if you aren't on an iPhone 3GS (or newest IPod Touch) and applied the OS 3.1 update, you are likely nodding your head as you read this.


PASSIVE IT INFRASTRUCTURE
We offer design and implementation of structured data-cabling systems conforming to the highest industrial standards and ready for current as well as potential future requirements of our customers.
We project and implement the technology equipment of campuses control systems, access management, fire detection and fire alarm systems, video surveillance and connected building systems.
We offer design and implementation of wireless communication networks, enabling the communication as well as triangular localization.
We offer design, implementation and monitoring the active IT Infrastructure. We utilize the best-in-class know-how of our engineers, certified for solutions of top infrastructure vendors.


Speed tests measure the rate at which data crosses the internet to its destination. Many internet service providers claim to offer a certain amount of bandwidth and the only way to measure the bandwidth is by making use of independent speed tests gives a true picture, not those hosted on the same network.
This speed test uses port 8500 to conduct packet tests, if you receive an error keep reading.
Your firewall needs to allow the follwing IP address 18.104.22.168 to perform the tests correctly.
Results may differ from what your ISP tells you, this speed test is independent and accurate.
Speed tests may differ at certain times of day due to the traffic on your network and should be conducted periodically for accurate results.