Simply put it is a phone that is much smarter than it’s earlier loved one who might just make as well as receive phone calls and also texts. The smartphone is generally equally as much a tiny computer as it is a phone. It gets almost all of it’s added performance since it can connect to the web. Simply several of the jobs a mobile phone can do include:
Surf the net (nova 100 mbps )
Get and send out email
See live television as well as view movies
Make video phone calls
Play online games
Serve as a complete general practitioner navigating system
Run literally hundreds of applications with tasks as ordinary as word processing to finding you the nearby taxi when you appear late at night.
Which little bits are important when trying to find a smartphone?
In this guide we will have a look exactly how cellphones make internet surfing possible (f2g) job and also clarify a few of the technical jargon which obtains used to describe exactly how they work.
In today’s age of connection, smart devices as well as tablets are coming to be more of a requirement rather than a deluxe. Whether it is not to miss out on essential mails, being updated with the information or finding directions when shed– linking to the Web anytime and also anywhere is becoming an integral part of our lives. It’s currently possible to get internet access in any area as long as your phone gets a great signal from the mobile network. You can likewise make use of public Wi-Fi hotspots to connect to the Internet with a shared connection. So how exactly does the Internet, which was made for computers, work on your smart phone?
Initially, let’s see what Mobile Internet is. In basic terms, Mobile Internet is a smaller Net scaled down to fit the measurements of an internet browser on a smart phone. The smart phone network is an instance of a mobile network. A mobile network has a cluster of geographic areas with each other referred to as a ‘cell’ which attach to the Net via satellites. Each cell has a transferring tower at its centre where details is passed to and also fro using electronic radio waves.
Connecting to the Internet
There are typically two ways to connect to the net through your cellphone– Via a mobile phone provider or by using common Wi-Fi. A Wi-Fi enabled tool allows you browse the Web at free Wi-Fi hotspots, which is practical when the phone network link isn’t that solid. With a mobile service provider, the phone attaches to the Web with information transfer similarly a PC does, but with a wireless link. We can access the very same Web applications much like in our Computers if we utilize a Wireless Application Method (WAP)- allowed cell phone. WAP is the global criterion for cordless interactions and also applications.
For running smart phone networks, Global System for Mobile Communications (GSM) as well as Code Division Numerous Gain Access To (CDMA) are the most commonly released. GSM and also CDMA make use of different algorithms which enable numerous cellphone users to share the very same digital superhigh frequency without triggering interfering for every various other. Cellular phone have an in-built antenna which is used to send packets of electronic details to and fro with cell-phone towers through radio waves. Mobile phones attach to a cell tower in the area, and rather than linking to an additional phone it attaches to the Net and can bring or recover information.
Connecting Mobile to Web
The voice and also information networks of cell phones are separated for maximum effectiveness– Mobile Voice enters one channel and also IP or SMS signalling over Mobile Web in another. The General Packet Radio Service (GPRS) network supplies a portal to the net with various frequency networks for posting and downloading.
Currently, allow’s see what goes behind thfe transfer of information in between a cordless device and also the Web. The major element is Radio frequency (RF) power which can be transmitted throughout a building travelling through walls and also various other objects. This RF power is transferred to carry the information between your phone and the Internet. A Modem gets the info onto as well as off the RF service provider by modulation as well as demodulation. The details via the RF service provider is sent in packets which have a resource as well as destination address, very similar to the postal shipment solution.
A router guides each package to its location as well as additionally gives a cordless access indicate the Net. A Wireless Gain access to Factor allows sharing a Web connection by allowing numerous computers wirelessly share Web gain access to via a solitary link. The Access provider administers a Net access point, for example a mobile radio tower, which may require to be easily accessible over cross countries.
Wireless Application Procedure (WAP) for Mobile Networks
Different computer networks are linked through a common Web method that lets them all talk the same language. To achieve the same for mobile networks, we use WAP. The demand for WAP originates from low data transfer prices of mobile phones, substandard resolution of a cellphone screen in addition to interoperability problems.
The mobile internet mostly utilises lightweight web pages written in Extensible Hypertext Markup Language (XHTML) or Wireless Markup Language (WML) to supply content to mobile devices. A markup language is utilized to include predefined tags or info to material which informs the device getting the material what to do with it. WAP also allows the use of standard Internet protocols for smooth performance of the Internet on numerous systems.
WAP Procedure for Mobiles
When making use of a WAP-enabled tool for Net gain access to, the device sends radio waves searching for a link with the service provider. When link is made, a request is sent to a gateway web server using WAP. This server retrieves the needed details from the internet site in HTTP (basic Net method) type. The entrance server converts the HTTP data to WML as it works with the mobile internet style. The converted WML data is then sent out to the WAP client on the device with the mobile Internet version of the called for Page. It is after that passed to the web browser which functions as a user interface between the mobile Internet and the user.
The WAP protocol stack identifies the handshake between the entrance server and also the WAP client. It also maintains data circulation smooth, checks information stability, authentication and also encryption in addition to versatility to various network providers.
3G Mobile Broadband
With technical advances third-generation (3G) cell phone innovation, also called Mobile Broadband has actually developed. It brings with it near broadband information rates, with video clip conferencing and also general practitioner connectivity. A 3G network is one of the fastest mobile phone networks offered with information transmission rate having around 144 kilobits/second. The SIM card made use of for accessing the broadband network works using the 3G standards like EDGE, CDMA, EV-DO and so on. The SIM card is powered by a USB modem and look for the mobile signal. The link supervisor software application helps to develop a connection between the modem and also a transmitting tower. After the sync is developed, the information takes a trip via the mobile signals in an encrypted layout and also reaches the tower. From the cell tower it reaches the web cloud as well as fetches information. Mobile Broadband is one of the secured means of data transmission as it functions using a solitary IP address.
Nowadays, totally free Wi-Fi is typically readily available in a great deal of public places such as airports, coffee shops, college campuses etc. Wi-Fi (IEEE 802.11 standard) enabled gadgets get linked to the Net with a wired Access Point which needs telephone lines or Internet cords to reach Internet routers. The accessibility factor is basically a Wi-Fi network setup to enable visitor accessibility to the Net. A user has more control over Wi-Fi as it accesses an extension of a wired Computer network (LAN). The LAN typically persuades a small distance and also may have a cord or radio link connecting the access indicate an ISP with routers. Wi-Fi runs at different regularity than 3G and also is more economical.
Flow Link over Wi-Fi
Mobile internet sites
Because of the expanding mobile Net innovation, internet sites built specifically for cellphones get on the increase. In addition to the actual site, designers are now likewise concentrating on developing mobile web-friendly sites or are developing their sites right into applications that make for good user experience. A mobile variation of a web page intends to have the very same material as that of the full web page, yet makes it an extra text-based as well as low on graphics version suited for a cellular phone’s LCD display. Your phone generally redirects you to the mobile variation of the page (if it is readily available), when you attempt to access the page from your cellular phone.
Using Web from Mobile Phones
Facebook for Mobile
Like all expanding technologies, also the mobile Web innovation has its limitations which provider are trying to overcome. The most typical of them are listed here:
- Limited navigating– For websites not fit for cellphones, navigating the web page on a smaller sized screen can verify to be difficult as there may be no scroll wheel or hoverbox function. Pages separated into separate segments can additionally hinder navigating.
- Rate– Slow link speeds from service providers in addition to protection issues.
- Size– The smaller sized physical size of mobile devices can have limits on resolution as well as graphics.
- Access– A great deal of internet sites do not have their mobile variations yet as well as some phones can not access secured web pages. Pressed web pages may be in a different style than the original website after conversion to the mobile web style. Websites which do not save cookies can additionally block user experience.
- Conflict– The mobile web internet browsers could be inappropriate with the mobile os as well as the information offered. Standardization of surfing protocols and data layouts can fix this concern.
Mobile Net is advancing everyday with 3G being deployed as well as development of Fourth Generation (4G) communications supported by preferred standards like GPRS, EDGE and so on 4G broadband systems are developed for cordless mobile Web service, giving broadband Web while on the move. Mobile Internet has also led the way for even more technology such as Android platform, applications as well as even more!


In today's digital age, QR codes have become ubiquitous, seamlessly integrating into various aspects of our daily lives—from facilitating contactless payments to offering a quick link to restaurant menus and beyond. But have you ever wondered about the origins of this ingenious technology? This blog post delves into the creation of the QR code, tracing its journey from inception to becoming a cornerstone of modern digital communication.
The birth of the QR code
The QR code, or Quick Response code, was invented in 1994 by a Japanese company named Denso Wave, a subsidiary of the Toyota Group. The primary motivation behind its creation was to track vehicles during manufacturing; it offered a fast and efficient method to store and access information compared to the traditional barcodes used at the time. Masahiro Hara is credited with leading the team that developed the QR code, aiming to improve the speed of the scanning process and the amount of data that could be stored.
Key differences from traditional barcodes
Unlike the conventional barcode, which stores data in a series of vertical lines and is limited in its data capacity and speed of readability, the QR code was designed to hold a significantly larger amount of information and to be read more quickly and reliably. It can store data both horizontally and vertically, which is why QR codes can hold up to several thousand characters of information, making them vastly superior to their barcode predecessors.
The QR code introduced several technical innovations that were groundbreaking at the time of its creation:
- High Capacity Storage: A standard QR code can store up to 3,000 alphanumeric characters, compared to a barcode's capacity of 20-25 characters.
- Fast Scanning: QR codes were designed for quick decoding, aiming to streamline the manufacturing process.
- Error Correction: They have built-in error correction capability, which allows them to be scanned even if they are partially damaged or obscured.
Global adoption and uses
Initially used in the automotive industry, the versatility and efficiency of QR codes soon led to their adoption across various sectors. In the early 2000s, with the rise of smartphones equipped with cameras, QR codes gained immense popularity. They bridged the gap between physical and digital worlds, offering a simple way to access websites, authenticate transactions, and share information without the need for typing URLs or extensive details.
The pandemic effect
The COVID-19 pandemic significantly accelerated the adoption of QR codes worldwide. As businesses sought contactless solutions to reduce virus transmission, QR codes became the go-to technology for a wide range of applications, from viewing menus at restaurants to checking in at venues for contact tracing purposes. This period marked a renaissance in QR code usage, highlighting their utility in promoting public health and safety.
Today's diverse applications
Today, QR codes are used in countless ways beyond their original industrial tracking purpose. They have found their place in marketing, where they connect consumers to digital content instantly. In payment systems, QR codes have revolutionized transactions by enabling fast, secure, and contactless payments. Educational institutions use them to provide quick access to resources and information, and in personal use, QR codes make sharing contact details a breeze.
The future of QR codes
As technology continues to evolve, so too does the potential for QR codes. Innovations in augmented reality (AR) and the Internet of Things (IoT) are opening new avenues for QR codes, transforming how we interact with the world around us. From smart homes to interactive learning environments, QR codes are set to play a pivotal role in the next wave of digital transformation.
From their inception in a Japanese factory to becoming an integral part of global digital infrastructure, QR codes have come a long way. Their creation marked a significant leap forward in data storage and accessibility, laying the groundwork for a future where digital and physical realms seamlessly converge. As we continue to explore and expand their applications, QR codes remain a testament to the power of innovation and its ability to revolutionize how we connect, share, and engage with the world around us.


Hyundai Motor Company have successfully completed a 118 mile trip from Seoul to Pyeongchang in 3 self-driven NEXO hydrogen fuel cell electric cars.
This is the first time in the world that a level 4 autonomous fuel cell vehicle has done this.
This is also the first time that autonomous vehicles has been allowed to drive on Korean public highways at speeds of upto 68 mph (110 km/h).
The NEXO has a range of 500 miles on a single charge of hydrogen.
To fill it full of hydrogen only takes 5 minutes.
The NEXO, Hyundai’s next-generation fuel cell electric vehicle, will be released in Korea next month.
Jinwoo Lee, Head of the Intelligent Safety Technology Centre at Hyundai Motor Group said:
“Hyundai’s philosophy for developing autonomous driving technology is to provide the highest level of safety combined with a high standard of convenience that our customers expect,”
Using new 5G network of KT Corp, the Korean mobile service provider, the test vehicles showed 5 new information technologies all accessed through a user interface.
The rear passengers can use “Home Connect”, which enables the user to control smart devices in their home in real time. They can view the home camera, control the heater, TV, etc.
The “Assistance Chat” allows you, with voice commands, to ask questions to a Chat Box and receive answers in the form of text or images.
“Wellness Care” will monitor the health of the passengers in the rear….. for example, their heart rate or mood state.
“Noise-Away” cabin noise technology and “Mood Care” changes the rear door mood lighting when the “Welliness Care” has been activated.
The occupants in the car can also receive real-time traffic information in different languages.
This could be the future of motoring……………
We Blog Any Car is a UK Blog Award finalist 2018.


Zain, the leading mobile operator in South Sudan, has unveiled its fourth generation (4G) cellular broadband network in the capital, Juba, the Ministry of Information announced this evening.
“In collaboration with the National Communication Authority, Zain South Sudan has launched its fourth generation Internet service (4G) in Juba on Friday 05.3.021,” the Ministry Information announced on Friday.
The launch of the advanced Internet technology was attended and witnessed by senior government officials and partners.
4G is one of the fastest and most reliable mobile technology that follows 3G and 2G cellular networks.
The launch of 4G in the world’s youngest country, South Sudan, is not just good news for the people of South Sudan, but it is also a relief to millions of subscribers who rely solely on 3G which is no longer used in major parts of the world.
4G technology builds upon what 3G offers but does everything at a much faster speed.
December 3, 2020 (Thessherald)–As citizens struggle with limited internet access across all parts of the country – the second largest mobile operator, MTN has announced the launch of 4G generation and affirmed its commitment to expanding its coverage to more than 70 locations in the capital, Juba.
“Today as we launch 4G, we celebrate again the resilience and strength of the people of South Sudan,” the mobile operator said in a statement on Thursday, adding that “4G is here to open new doors because at MTN we believe everyone deserves the benefits of a modern connected life.”
“During the launch event MTN CEO Gordian Kyomukama announced the launch of over 70 sites in Juba with a commitment to provide 100% 4G coverage in Juba as well as to extend to other parts of the country in 2021.”
MTN, South Sudan’s second largest mobile operator, has come under fire for its poor connectivity and high data consumption on the Internet.
4G is the fourth generation of mobile phone technology. It follows on from 3G (third generation) and 2G (second generation) mobile technology.


Brandon Grinkemeyer (Harvard University)
Title: "Towards Photonic Interfaces for Neutral Atom Quantum Computers"
Abstract: Neutral atom qubits trapped in optical tweezers constitute a promising quantum information platform, where control over several hundred qubits has been demonstrated. Further scaling could significantly benefit from coupling to an optical interface, enabling quantum networking and fast quantum non-demolition readout for quantum error correction. In this talk, I will discuss our progress towards a photonic interconnect that can link these large neutral atom quantum processors. In particular, we explore the strong coupling of single atoms to both nanophotonic cavities and fiber Fabry-Perot cavities and how this coupling can be harnessed for quantum information processing.


We are pleased to announce the launch of our new product - Pluto, the webserver hardware!
Pluto is a Web Server hardware box providing a data logging system that can be accessed remotely from web browsers.
Adding a data logger to the system is as simple as plugging it into one of the four on-board USB ports or creating connections to bring other remote data loggers to the system.
Besides the pre-defined pages for device view, graph view, real-time view etc., Pluto allows adding unlimited custom web pages from which you can easily drag & drop user controls on, such as real-time reading, alarm status, label etc.
Just plug Pluto into your Ethernet port and enjoy viewing and managing the system from your web browser. If you don’t have a cable network, no problem, Pluto has a WIFI module that can be used to connect to your local network wirelessly.


There were other technological advances that helped usher in a new presidential administration, or at least get the message out that there was one.
James K. Polk's inaugural on March 4, 1845 was the first to be telegraphed.
William McKinley in 1897 was the first to be filmed using a motion picture camera.
The first telephone at an inauguration was in 1905 for Theodore Roosevelt.
This just in, radio joined the event by broadcasting Calvin Coolidge's inauguration in 1925.
Inaugurations became talkies in newsreels with Herbert Hoover's swearing-in in 1929.
Don't touch the remote (which probably wasn't around), Harry Truman's 1948 inauguration was the first to be televised.
William Jefferson Clinton's inaugural ceremony was the first broadcast live on the internet on January 20, 1997.


Latest creative outdoor full color LED display, with the speciality of waterproof, high brightness, wide view angles and superb uniformity at very short viewing distance, brightness and flexible can be adjusted automatically or manually, it is the best solution to display video in outdoor or indoor environment.
Our latest advantage:
1. Our control software can monitor the working status of each signal at anytime.
2. We'll link a backup signal cable at the terminal of the display, if something wrong with one signal cable, the backup signal cable will work automatically.
3. Refresh frequency is over 9000 Hz, which can satisfy any one
4. With our control software, we can adjust the white balance of one single module or cabinet separately, so it will keep the whole display at the same brightness at anytime we change some modules or cabnets.


- Design and Engineering Services
- Energy Management Systems
- Network Security
- Card Access Systems
- Indoor/Outdoor Security Camera Installations
- Network Infrastructure
- Information and Quality Systems
- Fire Alarms
- Security Systems
- Systems Integration
- Nationwide Technical Service and Support
- Nurse Call
- Imaging Equipment (MRI/CT) Implementation
- Paging Systems
Slifco Electric provides specialized electrical contracting service capabilities to meet the specific needs of the burgeoning health care industry and its members.
From electronic information technology to communications to security, the specialized needs of the health care industry are taking center stage in today's economy, and Slifco Electric is fully prepared to address the electrical needs of the health care market.


Skip to content
1. Pass Your Amateur Radio General Class Test – The Easy Way: 2019-2023 Edition
2. The Fast Track to Your Technician Class Ham Radio License: Covers all FCC Technician Class Exam Questions July, 1, 2018 until June, 30, 2022 (Fast Track Ham License Series)
3. Ham Radio For Dummies
4. Pass Your Amateur Radio General Class Test – The Easy Way: 2019-2023 Edition (EasyWayHamBooks Book 4)
5. The Ham Radio Prep Technician Class License Manual
6. Technician Class 2018-2022: Pass Your Amateur Radio Technician Class Test – The Easy Way (EasyWayHamBooks)
7. AnyTone AT-D878UVII Plus – Dual Band Analog/DMR – Bluetooth PTT – APRS RX & TX – Free $97 Training Course
- The New AnyTone AT-D878UVII PLUS Has APRS Receive and Transmit, so now you can receive other users APRS Transmissions
- Upgraded 500,000 Contact List instead of 200,000 on previous models so you can grow with the DMR community.
- FREE AT-D878 course included on BridgeCom University with step-by-step video tutorials to get you on DMR and making contacts fast ($97 value).
- Dual band UHF/VHF radio on DMR and analog so you can have one radio for anything on the tech bands.
- Up to 7w of high power transmitting so you can have maximum range using your HT.
- Easy to use interface and programming software so that you don’t have any trouble making new contacts.
- Front face programable with VFO channels so you can punch in repeaters and other frequencies on the fly without having to use the included programming software.
8. The ARRL Ham Radio License Manual
9. The ARRL Ham Radio License Manual Spiral
10. Ham Radio for the New Ham: What to Do the Minute You Get Your Amateur Radio License


Gregg, Dawn G. & Walczak, Steven
Communications of the ACM Vol. 49, Issue 5, p. 78-84
Extracting information from Web pages for internal applications is difficult. An effective Web information extraction system needs to interpret a wide variety of HTML pages and adapt to changes without breaking. An information extraction system should recognize different Web page structures and act on this knowledge to modify the information extraction techniques employed. In addition, the system should be customizable for a variety of domains and data-object types. This paper examines the characteristics of effective Web information extraction systems. This paper also presents a prototype adaptive Web information extraction system for building intelligent systems for mining information from Web pages.


Communication is a broad subject, but a Home Office's main purpose is to communicate with clients, co-workers, family, and friends.
Communication may be an email, phone call, video call, or remote support.
But what about staying in touch with your older friends and family members?
A case Study
My Mother lives nearby but sometimes needs help but doesn’t want to wear a panic button or have live cameras in her home, so she is just using motion sensors.
A camera in the Garage or entryway allows for activity notifications without invading privacy.
- Requires a Wi-Fi network for device connectivity.
- Requires Smart Phone to control Alexa Devices.
By having an Alexa device with motion sensors in each area, when a person needs help they can use voice commands to request assistance and others can be notified if there has been no activity in several hours and/or be notified with the sound effect of any activity.
Motion Sensors not only allow remote monitoring but they can also be used to turn on lights when you enter the garage or other areas.
When needed, person monitoring can listen to Echo Devices in their home to ask if help is needed and they can reply.
Echo Buttons can be used to trigger calls for support, or to trigger other events.
if the person isn't home or it will contact me through their phone.
The Alexa Show devices allow us to have a private video chat that has low latency, and very little delay, allowing a natural conversation.
Alexa Echo Device Communication and Security
When connected to remote Echo Devices, Amazon Cloud Services ensures secure point-to-point communications with very low latency.
Your Wi-Fi Router connects the Echo Devices, and your smartphone's Bluetooth is used for the list of approved connections using the phone Alexa App.


Impedance in circuit level power control is the amount of inductance across the input and output lines. It is usually expressed in ohms. Modern PCBs do not suffer from parasitic losses, so circuit level power control is straightforward. However, if you want a precise impedance value, you may want to use a basic circuit simulator. These simulators compensate for inductive and capacitive components. If you are looking for Circuit Level Power Control Simplified visit this website lyntec.com
The Renesas ZL8800 is a dual output, dual-phase, digital DC/DC controller that represents the fourth generation of Renesas’s powerful digital power platform. With its fully digital compensation-free control loop, the ZL8800 is fast, stable, and delivers improved transient response over analog controllers. It is available in an array of configurations, from simple single-phase applications to high-power applications with multiple outputs.
The Renesas ZL8800 uses Direct Digital Conversion (DDC) technology to simplify the design of power management circuits. This chip features integrated overvoltage, Undervoltage, and output overcurrent protection, as well as a power-good indicator and a reset output/fault indicator. These devices are ideal for use in automotive systems, such as HD dashcams and backup cameras.
The Renesas ZL8800 features full compliance with the PMBus(TM) standard. It can measure input voltage, output voltage, and current as well as two external temperatures. The ZL8800 also features a right-angle header for connecting a USB to a PMBus adapter board. Its auxiliary voltage input allows users to daisy-chain multiple demonstration boards.
Renesas Electronics Corporation, a leading provider of advanced semiconductor solutions, has expanded its line of Simple Power Supply ICs to include synchronous buck regulators. The buck regulators are designed to provide three amps of continuous current to loads while minimizing standby power consumption. These buck regulators are ideal for use in consumer, industrial, and networking applications. They also offer a broad range of applications, including smart grid and wireless charging with usglobalworld.
The new Renesas MTNCL features an integrated battery backup circuit that automatically switches from DC/DC output to battery power, eliminating the need for diodes to monitor current levels. With the MTNCL, renesas is simplifying the power control process for developers and easing the design process. Renesas plans to make free circuit examples available online starting in September. The new backup circuit examples will help engineers optimize their designs and increase their productivity.
The new Simple Power Supply ICs incorporate output power MOSFETs, phase correction devices, and load capacitance discharge circuits in a single package. Its RAA23022x and RAA23023x series incorporate two DC/DC converters into one package, cutting the size of the power supply IC peripherals by half. Renesas also estimates that this will cut down the number of power supply ICs needed by systems by half.
If you are in the market for a circuit level power control system, look no further than LynTec. This industry-leading manufacturer specializes in custom electrical power control solutions and is the leading provider of circuit-level power controls. By incorporating electrical protection and circuit switching capabilities into one enclosure, LynTec makes complex power control applications easy to implement and operate. Whether you are looking for a complete power control solution for a small office or a large venue, LynTec is the solution to your needs.
The RPC panel is a simple, web-enabled circuit control system that provides reliable electrical protection for a large arena. The system also powers the arena’s main audio system and protects videoboards. LynTec’s solutions simplify the management of the arena’s AV system, including its videoboards and scoreboards. The RPC panel’s intuitive interface enables operators to quickly set up and configure lighting, audio, and video systems and makes it easier to monitor and troubleshoot any issue that arises.
With the RPC, LynTec has developed the most advanced self-contained breaker panel. This system combines LynTec features with web-enabled control and is based on the Square D G3 Powerlink hardware platform. It can control up to 168 circuit breakers with a single controller and offers a wide variety of interface options. With LynTec’s RPC, you can monitor and control theater lighting, and enjoy the convenience and reliability of one control system.


San Francisco-based August introduced “August Connect,” a device that allows homeowners and renters keyless entry to a house, from wherever the owner has an Internet connection. The product uses Bluetooth low energy technology and Apple iOS andGoogle platforms
How it works: A smart lock is retrofitted over an existing deadbolt and access is given in the form of virtual keys for different intervals of time. At the moment, the August Smart Lock is completely offline, using Bluetooth connectivity to operate.
Essentially, homeowners will no longer have to be present to buzz in guests, or check the status of their smart lock.
Also, the device can be integrated with platforms such as Smart Things—which was acquired last year by Samsung—as well as LogitechHarmony, giving homeowners options to customize their home entry security.
Outside of these platforms, August is announcing a product partnership with Google’s Nest Learning Thermostat. Users will be able to customize how these two devices interact such as setting Nest to immediately cool or warm the house when August locks the door to help save energy.
As the chatter about a smart home of the future continues to build, this partnership seems like a step away from hobbyists with many devices and few platforms to all-encompassing platforms where varied devices can communicate with one another.
Competitor Kwisket, which makes the Kevo smart lock also announced its API compatibility with Google Nest and a platform extension, “Kevo Plus” that allows users to lock and unlock remotely.


Skip to content
Using Cron for scheduling tasks
30 June 2017 | Updated 11 July 2017
Cron is an Unix-like operating system software utility used to schedule automatic time-based commands. Entered commands can be in the form of Bash or Bash scripts that are meant to be automatically executed periodically at fixed times, dates or intervals.
Communicating between 2 Raspberry Pis using sshpass
10 September 2016 | Updated 24 October 2018
sshpass is a Linux software package that can be used to establish a direct (secure) connection between two Linux operated computers. This connection allows ‘remote’ access to a ‘local’ computer to run commands ‘locally’. Communicating between 2 Raspberry Pi’s using sshpass will show you how.
Understanding some common network protocols
7 September 2016 | Updated 17 November 2017
Deeper exploration into the world of inter-computer communications will reveal more and more types of communications (e.g. radio waves, Ethernet, Bluetooth, etc.), their interfaces and the network protocols they use.
If you are using an
Ad Blocking Browser Extension
please consider deactivating
it for this website.
Also see our Ads Policy.
Advertisment ad adsense adlogger


ShowMeCables PoE Splitter, Metal Industrial IP67 Outdoor, Gigabit, 802.3bt 802.3at+, 1-Port, 60W, 12V, Type 3 PD, End-span or Mid-span
|Quantity Discount Pricing|
The ShowMeCables POESOD1GBT-SM 1-port power over Ethernet splitter has a focus on lighting and security that is used in the transportation and telecommunications industries, as well as smart offices, outdoor and residential settings. This mountable end-span or mid-span metal industrial outdoor IP67 rated ultra power over Ethernet splitter is water resistant and comes with LED indicators, a metal shell and up to Cat6 gigabit speeds. The unit is powered by a standard 2-pin terminal block jumper. The unit can be mounted securely with the supplied screws if desired.
The POESOD1GBT-SM Ethernet splitter allows you to disconnect power from a power over Ethernet cable and split it into separate power and data cables for a non-power over Ethernet device that requires separate power and data inputs. This also allows you to avoid installing an outlet near the device to instead use your existing power over Ethernet infrastructure up to 100m.
The end-span or mid-span ultra power over Ethernet splitter comes with a 30W terminal block connection for power and is suitable for IP phones, cameras, LAN access points, and building devices like touch screens and card readers. This 1-port POESOD1GBT-SM Ethernet splitter supports 802.3bt and 802.3at+ standards and is used for RJ45 network devices that supports power over Ethernet. Pair with a POESOD1GBT-SM unit to provide power near your outlet and split it out to your non-PoE device with the POESOD1GBT-SM. The unit also supports 6KV DC Ethernet ESD protection when properly grounded with the supplied ground wire.
ShowMeCables has the largest in-stock collection of 12V power over Ethernet injectors and splitters for all your critical equipment and power source requirements. Quickly make your online purchase right now to take advantage of our same-day shipping. For further information on similar products, our expert technical support and knowledgeable sales team can help you get the 1-port ultra power over Ethernet splitter as per your requirement.
- Outdoor IEEE 802.3bt PoE Plus Plus Power over Ethernet Splitter, 12VDC @5A, 60W max budget (backward compatible with IEEE 802.3at+)
- IP67 rated waterproof, ruggedized aluminum metal case is appropriate for outdoor use and can be mounted with included screws if desired
- Gigabit rated (Cat6) for up to 100m
- Input port power and data: 10/100/1000BaseT Ethernet with IEEE 802.3bt PoE++ (backward compatible with IEEE 802.3at+)
- Output power port: 2-pin terminal block DC jumper; Output data port: 10/100/1000BaseT Ethernet
- Access Points, Bridges, Network Switches, Amplifiers and Amplified Antennas
- IP (Internet Protocol) and Security Cameras
- VoIP (Voice over Internet Protocol) Telephones
- Digital Signage and Building Control Systems
- Traffic Systems


Patrick, how do you insure your evidence, such as EVP, is not contaminated by ambient noise? Especially recording it live outside on the street?
That’s an excellent question. Quite simply – you can’t.
However, you can’t prevent contamination indoors either.
Some might think that by recording EVP indoors, it will insure that the problems of street level, outdoor contamination will be eliminated. It’s a nice thought in theory, but it doesn’t work out that way in practice.
Why not? Because the microphone and your recording device do not always hear sound the way your ear hears it. Audio recording equipment can amplify faint sounds. Sounds that are sometimes too faint for us to immediately recognize. I can’t tell you how many recordings I’ve conducted indoors, only to hear a distant car, or dog barking, or plane passing overhead that we didn’t note at the time we conducted the recording.
Then there is the whole argument about what EVP actually IS – are they inaudible sounds in frequency ranges that our ears can’t natively detect? Or is EVP an electromagnetic component that occurs in the RF radio spectrum? Are they both? We don’t know for sure. Unless you’re conducting your EVP in a sound proof booth placed in a Faraday cage (a structure that shields electronics from RF interference) it is going to be prone to contamination. Period.
So how might someone know if that voice that showed up on the recorder is a possible spectral voice, or contamination from ambient noise? One popular method is to “tag” ambient sounds as you hear them during a recording “NOTE – someone in the group coughed… NOTE – car passing outside…”
However even this method is not foolproof, as we have already discussed how ambient noise might be too low in fidelity to be detected by our ears. Live monitoring of a recording session over headphones can help, but we have instances where the EVP is only audible after the recording session is over on playback.
By definition, all EVP recordings – regardless of the great lengths a researcher might go to prevent contamination – are going to be suspect under the scrutiny of scientific peer review. Electronic Voice Phenomena is just that – a phenomena – a fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question. One that is little understood, even after over half a century of documented cases.
Like all paranormal phenomena, EVP is largely a matter of personal belief and opinion. Until the paranormal can be conclusively proven scientifically (which it may well never be) it is a curious conjecture.


The quantum network is one of the ultimate goals of emerging quantum technologies. It enables sharing of entangled qubits over a far distance. The most prominent application being developed at the moment is quantum key distribution (QKD), where the quantum property of the information carrier allows for the exchange of provably secure key distribution. However, its usable distance is limited to only a few hundred kilometers due to an inevitable trade-off between distance and key rate.
Fortunately, the quantum repeater is known to be a great platform to overcome this challenge by extending the distance between nodes. Over the past decade, nitrogen-vacancy (NV) centers in diamond have shown outstanding performance as quantum repeaters. However, when combined with nano-devices, their unstable nature presents an overwhelming challenge for practical deployment in real-life applications. As an alternative, the silicon-vacancy (SiV) color center is emerging as a potential solution. Thanks to its outstanding stability within nano-devices, it allows for near deterministic single photon - spin interactions that pave the way to practical quantum repeaters. In this seminar, I will discuss the technical problems related to quantum repeater engineering by comparing two outstanding platforms for quantum repeaters.


Smart Summit London is a 2-day conference and exhibition covering the Internet of Things (IoT) ecosystem and its impact on the digital society.
Now in its 3rd year, the event features Europe's leading Smart Home Summit and a further 5 tracks all designed to compliment each other including; IoT Insurance Summit, IoT Retail Summit, Smart Cities Summit, IoT Utilities Summit and LPWAN World Forum.
With over 180 visionary speakers, gain a unique insight from industry heavyweights and hear case study examples from major contributors.
Women of Wearables are media and community partners for this years event, use code WOW20 for 20% off tickets!
Eventbrite Registration: https://smartsummitlondon.eventbrite.co.uk


Turnkey Internet of Things (IoT) App Development for Home Automation
What are Home Automation Solutions?
The Internet of Things (IoT) is a term that refers to The Internet of Things, or loT, is undeniably making things easier and more convenient. Residential and industrial automation make things smarter. The Internet of Things (IoT) makes it possible for gadgets to safely communicate with one another through the sharing of data Sensors or data. Internet, Bluetooth, and other communication mediums are examples of communication mediums. NFC, IBeacon, RFID, and other technologies are examples. The IoT Apps act as a bridge, allowing data to flow freely. Physical gadgets are able to communicate with each other.
Any smart city endeavor, as well as a lot more, starts with smart homes. a stable way of life The creation of smart home automation apps or smart home app development has grown in popularity. Because of the increased bandwidth, it is accessible to a wider audience (4G & 5G). Also,. The rise of mobile devices (iOS and Android) provides users with the ability to customize their experience. Remotely control instruments in a seamless manner.
Our Home Control mechanism at Blockchain App Maker allows you and your users to control the security of the property. We offer Internet of Things (IoT) hardware and software for home automation. Users can combine and operate different gadgets, appliances, and security systems in real-time using our app.
Our Smart Home Developers provide sophisticated software that allows owners and users to be notified of any unforeseen problems or concerns and remotely take corrective action. You will get a lot of benefits with our smart home app development.
HAVE AN INTERESTING IDEA? CONTACT OUR EXPERTS TODAY!
All in One App
Integrate all of your smart gadgets and security systems into a single app and keep track of all of your products' schedules on the move.
lOT Lighting Solutions
The data insights, smart controls, and remote connectivity of your home lighting system are limitless with our App.
IoT Audio And Video Solutions
Users can use their handsets to operate audio and visual equipment such as televisions, DVD players, headsets, digital cameras, remote controls, speakers, and other items. Turn on or off the speakers, television, and home theatre system.
With our loT Application, you can control all of your home appliances with the touch of a button. The programme is simple to use and suitable for people of all ages.
We Spotlighted In
History is tedious! Numbers,
on the other hand, aren't!
Talk To Our Experts
Create Your Own
Interested In Our Services?


Weidmuller offers a product line that includes a wide range of innovative and reliable components for the installation of photovoltaic systems. Along with the PV-Stick, Weidmuller offers an innovative plug-in connector with the PUSH IN connection system for photovoltaic systems.
The innovative PUSH IN connection system saves approx. 50% of the time required for laying the cable in photovoltaic systems without compromising on quality. Plug-in connectors securely and reliably connect in just a few steps: just insert the stripped wire into the plug-in connector, turn the cover and you’re done.
A clearly audible click indicates an ideal secure connection. The distinctive marking on the threaded cover acts as an accurate indicator for determining the length of the stripping.
A wire with a cross section of 4 or 6 mm² can be connected to the PV-Stick in seconds, without the need for cable lugs, crimp contacts or crimp tools. Ratings: 30 and 1000 V DC (IEC). The innovative “PV-Stick” with the “PUSH IN” connection system and the “Type 4” connector frame eliminates the need for crimp contacts and crimp tools to avoid pin errors. The ergonomic and functional design of the PV plug-in connector ensures trouble-free, simple and quick installation, even in difficult conditions, such as when working at high altitudes. “PV-Stick” complies with DIN EN 50521 and is certified by TÜV (German Technical Supervision Association).


nueva versión de SecureBridge
Devart released new version of SecureBridge. Version 6.6 now supports the latest RAD Studio 10 Seattle. Other improvements include support for CTR enryption mode, and possibility to connect to SSH and SSL servers via HTTP Tunnel.
SecureBridge represents clients and servers for SSH, SFTP and SSL protocols as a network security solution. It protects any TCP traffic using SSH or SSL secure transport layer protocols, that provide authentication for both client and server, strong data encryption, and data integrity verification. SecureBridge components can be used in conjunction with data access components to prevent data interception or modification in an untrusted network.
To learn more about new SecureBridge 6.6, please visit https://www.devart.com/sbridge/


Will 5G Get 6GHz?
Last year was a great year for consumers, business and the FCC as much needed licensed spectrum was auctioned or put in the spectrum pipeline, and critical decisions were made by the FCC related to opening up C-band and 5.9 GHz slices of spectrum for new uses. Those spectrum decisions in part made 2019 the year that 5G raced ahead, years ahead of schedule as the next generation of wireless spreads across the county. Thanks to Chairman Pai’s leadership, the FCC’s 2019 spectrum decisions will pay dividends for years.
In 2020, the 6GHz band of spectrum will be a focus for advancing 5G.
Spectrum is the invisible band of airwaves over which wireless communications of all sorts carry bits of information. Each slice is a frequency carrying distinct information, much like a rainbow’s bands of color. But there is a limited supply of those frequencies and too much programming on the same spectrum causes interference, destroying its value.
The current generation of wireless, 4G, ushered in the world of apps and the sharing economy. The next generation, 5G, will bring currently unimaginable new benefits. Speeds will be 5 to 20 times faster than 4G with 100-fold increase in capacity. The delay of data transfer, or latency, will reduce to 1 millisecond. This creates the opportunity for consumers to enjoy communications technologies as they see fit. Speeds in the home will finally match the broadband speeds delivered to the home. That prospect will never occur without more spectrum being made available. Fortunately, a prime piece of spectrum real estate, the 6GHz band, could be made available.
Spectrum, which the government claimed control over to manage on behalf of the people in pursuance of the “public interest,” is divided into two types, licensed and unlicensed. Each is managed differently, but both are critical to the innovation ecosystem.
Licensed spectrum is so-called because the FCC grants a license to a user for a fee and is allocated on a flexible use basis and geographic area. Spectrum auctions are delivering licensed spectrum to the highest bidder, providing income to the U.S. Treasury. Licensees are assured that harmful interference will not interrupt their transmissions.
Unlicensed spectrum has no license, allowing anyone to transmit within a certain limit of power, so long as they do not cause harmful interference to other operations and follow other FCC requirements. This freedom has allowed innovation to flourish in an “innovation sandbox” for testing new technologies, and has become a key asset for those who choose to not compete in licensed spectrum auctions. While no direct auction revenue is generated from unlicensed use for the Treasury, the result has still been an economic boon that has created additional wireless competition and provided the Wi-Fi relied on every day.
Mid-band spectrum (1GHz to 6GHz bands) is the sweet spot swath of spectrum that combines range and power in the best balance, making it attractive for a range of uses. No new mid-band unlicensed spectrum has been released in a decade so these bands are reaching exhaustion, becoming increasingly congested. Thoughtful leadership by the FCC to continue to maximize use and availability throughout the 6 GHz band will permit future generations of Wi-Fi to be deployed, providing the 5G experience in our homes and businesses, in urban and rural communities alike.
The 6 GHz band has existing licensed users, such as electric utilities, some public safety operations and electronic news over-the-air programming. But unlicensed users could use the band as well. Fortunately, the FCC’s engineers and National Telecommunications and Information Administration (NTIA) have a history of maximizing the use of spectrum, including the use of technology to help in avoiding interference. Recently they have done so in the 3.5GHz band where rules were crafted to allow licensed and unlicensed to safely co-exist with military radar, and in the 28GHz band in protecting satellite users. Moreover, unlicensed spectrum operates as a second priority in any band to limit harmful interference, and must shut down if there is a problem.
As this next generation of wireless expands, there is a role and need for both licensed and unlicensed. Getting the spectrum balance right is part of that balancing act, and doing so as soon as possible is critical to our country’ 5G leadership.


Research output: Contribution to journal › Article
View graph of relations
Accurate prediction of traffic conditions on OFDMA-PONs is important because of its vital role in network resource management and efficient bandwidth allocation. Given the dynamic and stochastic nature of network traffic, our proposed algorithm conducts a probabilistic approach by using the Hidden Markov Model (HMM). The HMM defines traffic states with two parameters: the mean and contrast of the bandwidth request observations. Simulation results demonstrate the performance comparison between with and without the prediction method in terms of throughput and end-to-end delay. As a result, the throughput improves 15% and the saturation offered load of the delay for the prediction and non-prediction is 0.8 and 0.7, respectively.
This article has been accepted for publication in a future issue of IEEE Xplore Journal. W. Lim, P. Kourtessis, J.M. Senior, Y. Na, Y. Allawi, S. Jeon, and H. Chung, 'Dynamic bandwidth allocation for OFDMA-PONs using Hidden Markov Model', IEEE Explore, advance access publication 2 February 2017, doi: 10.1109/ACCESS.2017.2657549


Advanced Encryption Standard (AES) - A symmetric key encryption technique that will replace the commonly used DES standard. AES provides strong encryption in various environments: standard software platforms, limited space environments, and hardware implementations.
AdvantagePort Expandability - Allows an authorized dealer to add an Advantage Board to upgrade radio functionality.
Antenna Coupler - A device used to match the impedance of a transmitter or receiver, to an antenna to provide maximum power transfer. It allows the connection of 2 mobile stations to one antenna.
Auto Range Transpond System™ - (ARTS™) - Permits two radios operating on the same frequency to monitor each others range in pre-programmed intervals. The Auto-Range Transponder System, a Vertex/Standard exclusive, alerts the operator when another ARTS™-equipped station moves out of communication range. The operator can then advise the other user to move to a better location.
Battery Back-Up Tone - When the battery revert kit is installed, this heads-up alert notifies users during conversations that they're using the back-up battery supply.
Battery Saver - Extends the life of the battery while in use. This feature puts the radio into "sleep" mode during usage. The rest periods are only a micro second in duration, but even micro seconds add up.
Busy Channel Lock-Out - Disallows transmissions over occupied, "busy" frequencies. It also keeps users from monitoring people with different PL or DPL codes.
Compander Included - For narrow-band (12.5 KHz) channel applications, the built-in Audio Companding system compresses the voice waveform during transmission, and expands it during reception, allowing full-sounding audio despite the restricted transmission bandwidth.
Courtesy Beep - Signifies when a person is through talking.
CWID - International Morse Code is used to automatically send out the station ID periodically to identify the owner of the transmitting repeater. This satisfies the requirements of the FCC.
Data Encryption Standard (DES) - An encryption method developed by IBM in 1977. It uses a private 56-bit key that is applied to each 64- bit block of data. The sender and receiver must each know the private key.
Decibel (dB) - A logarithmic measure of sound intensity. It is equal to 10 times the common logarithm of the ratio of output power to a reference input power.
DTMF ANI - Automatic number identification (ANI) transmits an individual ID code with every press, or release of the PTT Identifies a specific user to the dispatcher or the CAD.
DTMF Selective Call - Selective calling mutes receive audio for all transmissions not intended for a specific unit. A unique user code is preprogrammed into each unit to open receiver audio after the correct code is received, eliminating all non-directed chatter on the air.
Emergency Mode - When activated, the "Emergency" feature sends out the DTMF ANI, and cycles between transmit and receive, to serve as an emergency beacon to alert the dispatcher as to the need for immediate aid.
Encryption - Voice inversion encryption function scrambles audio rendering transmission unintelligible except by intended receiver.
Federal Communications Commission (FCC) - A board of five commissioners appointed by the President under the Communications Act of 1934 to formulate Rules and Regulations and to authorize the use of radio communications. The FCC regulates all the communications in the United States by radio or wire line, including television, telephone, radio facsimile and cable systems.
Frequency Modulation (FM) - A method of sending and distinguishing radio signals by modifying the frequency of the radio wave.
IP54 - Water Rating. "Water splashed against the enclosure from any direction shall have no harmful effects."
IP55 - Water Rating. "Water projected in jets against the enclosure from any direction shall have no harmful effects."
IP57 - Water Rating. "Ingress of water in quantities causing harmful effects shall not be possible when the radio is submersed for 30 minutes at a depth of 3 feet"
IP58 - Water Rating. "Ingress of water in quantities causing harmful effects shall not be possible when the radio is submersed for 180 minutes at a depth of 6 feet"
Lithium Ion (Li-Ion) - These batteries do not suffer from the “memory effect” at all (see below). These batteries have twice the energy of Nickel Metal Hydride, although they weigh 33% less. This is especially nice for portable items, such as laptops and camcorders.
Local/Distance - Radio service software (RSS) easily allows the choice for a Local rather than a Distance setting if you desire the 10dB interference protection that this mode provides. Programmable radio wide or to an option button.
"Memory Effect" - If a battery is repeatedly only partially discharged before recharging, the battery will “forget” that it can further discharge. The best way to prevent this situation is to fully charge and discharge your battery on a regular basis.
MIL-STD 810 C, D, E, F - Designed and tested to meet the U.S. military standards approval for Shock, Vibration, Rain & Dust, ensuring it's ability to perform in rigorous work environments.
Nickel Cadmium (Ni-Cd) - The most popular type of rechargeable battery, although it tends to suffer from “memory effect” (see below). It has a high rate of energy discharge, meaning that it is low maintenance with high performance. Ni-Cd batteries can deliver even power until nearly all of the battery has been used. These versatile batteries can operate under extreme conditions of cold or heat (-30c to +50c).
Nickel Metal Hydride (Ni-MH) - The most advanced commercial rechargeable battery. Ni-MH batteries last 40%-50% longer than Ni-Cd batteries. While Ni-MH batteries are slightly more expensive than Ni-Cd, they are less prone to memory effect, operate down to -10c and contain fewer toxic metals for easier "environmentally friendly" disposal.
PL/DPL - (CTCSS/DCS) Private Line or Digital Private Line. Lets the user receive only the calls accompanied by the radio's code and to place calls only to those that accept the code. This helps eliminate disruptive conversations of others who may be sharing radio frequencies.
Relay Delay - Keeps the repeater transmitter keyed a short time after a radio user releases the PTT switch. This allows a user group to conduct a normal conversation without delays from re-activating the repeater. This "polite pause" can be set from 0-7 seconds.
Repeater/Talkaround - You may utilize a repeater to increase range for your radio's signal or to provide telephone interconnect. Talkaround frequencies do just that - they circumvent the repeater to talk directly to another radio.
SINAD - The ratio of signal plus noise, plus distortion to the noise, plus distortion; expressed in decibels. A TIA standard method of measuring receiver sensitivity. Basically a measure of RF signal strength that will result in a reliable signal.
Time Out Timer (TOT) - A timer that when exceeded will shut off the radio's transmit feature. Since most transmissions average 3-4 seconds in duration, a longer single transmission usually indicates an inadvertent keying accident (someone's radio is wedged between the seats and the PTT is jammed on) draining battery life. Or, there's a lengthy conversation going on that needs to be curtailed. The bottom line is, this reduces the chances of annoying busy channels, annoying chatter and annoying dead batteries.
Transmit Battery Saver - Monitors signal strength of last received signal, then selects the next lower TX output power level to conserve battery life.
Ultra High Frequency (UHF) - Frequencies between 300 and 3000 MHz. Typically used indoors or in urban areas.
Very High Frequencies (VHF) - Frequencies between 30 and 300 MHz. Typically used in outdoor, open areas.
Voltage Standing Wave Ratio (VSWR) - The ratio of the maximum voltage to the minimum voltage along a transmission line. It is the measure of the mismatch between the load and the line.
X-PAND - see here...
Sales | Service | Rentals | Monthly Specials | Terms of Sale | Search | Contact Us | Home
Copyright 2013, TCS Wireless, Inc. All rights reserved.


PosiTracker|TF-O LTE is a versatile and economical tracking device that operates via LTE networks. With embedded cellular and GPS antennas and integrated OBDII interface, the PosiTracker|TF-O is an excellent solution for fleet managers in need of monitoring location, speed, and other vehicle information.
There is great security and convenience in knowing where your trucks/fleet are at any given moment. The overall daily efficiency and accountability by my Truck Teams have improved remarkably! Global Fleet Management is a great company, they work hard to make their customers happy and the features offered are fantastic. I know their customer service is always a phone call away. Global Fleet Management works for me.


(Circle cards have been added here, please check today’s headline client)
Now mobile phones are we are inseparable from communication tools. Many pregnant mothers are worried that playing mobile phones will affect the fetus.Playing mobile phones every day is inevitable, thinking that it will have an impact on the fetus, and it is a little uneasy.Some pregnant mothers will buy radiation protection clothes and think that this can block mobile phone radiation.
I also used mobile phones during pregnancy, and the two children did not see any affected.When using a mobile phone, it will generally not be transmitted to the fetus across clothes, through the thick abdominal wall, and the amniotic fluid, so the fetus is basically not affected by the radiation of the mobile phone.
Now almost a two -person mobile phone. With the rapid development of mobile phones, the country has also introduced many measures to restrict electromagnetic radiation. The standards have become higher and higher. So far, there are few reports on mobile phone radiation affecting fetal development.We live in a radiation environment. The radiation of mobile phones is only one of a large amount of radiation, which can be used normally.
However, some researchers have influenced the influence of mobile phones on mice, and found that mobile phone radiation can cause the body’s nervous system and endocrine dysfunction, causing the body to express multiple cytokine abnormalities.Mobile phone radiation will damage the immune system of mice during the embryo, and has certain damage to the antioxidant system of its brain tissue.
However, the research on evaluating mobile phone radiation and their related health effects is still very limited. It cannot provide electromagnetic radiation biological effects and theoretical mechanisms that can be generally accepted by people.There may be some potential effects.
1. Thermal effect
If you use your mobile phone for a long time, and your posture remains unchanged, the local tissue temperature will be increased.The US Food and Drug Administration believes that high -energy radiation launched by mobile phones will cause biological damage and affect the normal work of organs in the body.This thermal effect has been recognized by the scientific community.
2. Non -thermal effect
If mobile phones are often used, it will be affected by the non -thermal effects of low -energy radio frequency radiation, and people will have more serious neurotic weakness problems, such as headache, dizziness and weakness, reduced memory, and some potential creature damage.A large number of studies at home and abroad have shown that mobile phone electromagnetic radiation energy has an impact on human nervous system, cardiovascular system, immunity and hematopoietic system, visual auditory system and reproductive function.Because the mobile phone uses the median head recently and has a close relationship with the cardiovascular system.
My personal experience is: If you put your phone on your ears for more than 30 minutes, your mobile phone will be particularly hot, the ears will be painful, and the symptoms of headaches in the brain will be accompanied by the symptoms of headaches in the brain., So try not to use mobile phone calls for a long time.
3. Effect on vision
The use of mobile phones for a long time and close -up will make the ciliary muscles in a high tension for a long time. It will not be relaxed for a long time, leading to ciliary muscle spasm, which will affect vision development.After pregnancy, the secretion of tears is reduced, the eyes are easy to dry, and the use of mobile phones for a long time will cause eye fatigue, aggravate the symptoms of dry eyes, eye pain, and increase the number of myopia.
When I use my mobile phone, I feel that once it exceeds 30 minutes, my eyes will be particularly uncomfortable.Especially when you are weak, use your mobile phone for a long time to see things blurred.Therefore, in order to protect the eyes, the length of time is reduced.
4. Effect on emotion
Now the mobile phone function is powerful. If you watch some intense videos of the plot, or tear and thrilling information, it will cause emotional fluctuations in pregnant mothers.Poor emotions can cause some adverse hormones. These adverse hormones are passed to the fetus through the placenta, and the fetus is stimulated and affects its development.
1. Use the headset to answer
The audio signal output by the headset is separated from the radio frequency signal. There is no resonance generated around the headset cable. Therefore, using the headset to answer calls can significantly reduce the amount of electromagnetic radiation.
2. After the mobile phone is turned on, pick up the phone
When calling or hearing the bell, when the bell is answered, the signal transmission system of the mobile phone is still unstable. At this time, the radiation power is the largest, so it is best to connect the phone after the signal is stable.
3. Don’t always listen to one ear
Two ears in turns can make the ears dissipated, so as not to make the radiation accumulate to the degree of damage.
4. Use the mobile phone when the mobile phone signal is strong
Pay attention to observing the strength of the mobile phone signal and use the mobile phone when the mobile phone signal is full.Because the weaker the mobile phone signal, the more the transmitting power is needed to ensure the quality of the call, and the greater the electromagnetic radiation at this time.
5. Put your mobile phone away from you while sleeping
The mobile phone still keeps contact with the base station during standby, and it is also radiated, so you should not put your phone on the pillow when you sleep at night.In the same way, it is inappropriate to hang your phone on your waist or chest.
Pregnant mothers must use their mobile phones reasonably. The mobile phone is not a toy, just a tool. Do not use it for more than 30 minutes each time, and it depends on some pleasant information, so that it will not affect the development of the fetus.
Pregnant, how do you all use your mobile phone?Let’s talk together!If you feel useful, please like it again!If there are still those who are unclear, you can leave a message, let’s discuss it together!Thanks for the support!(Circle cards have been added here, please check today’s headline client)
Second -child Bao Ma, senior childcare teacher, personalized training instructor, and original platform original author.Love children, love life, and are willing to share your childcare experience with thousands of mothers, pay attention to me, and obtain more parenting knowledge.


- Brand: RATNIK
- Availability: Out of stock
- All goods already availeble in the EU (CZ )!
- Ship immediately
- Fast delivery (GLS, DPD, CzechPost)
- Final price (no VAT/customs duty)
Active headphones GSSH-01 6M2 "Ratnik"
Modern headset able to perform the active hearing protection function as well as provide communication functions.
The current headset is included in the "Ratnik" equipment set and can suppress noise level up to 115 dB. Protect the hearing organs from acoustic shocks effects (various shots and explosions). Headphones can enhance quiet sounds.
Headphones GSSH-01 6M2 "Ratnik" function within the following conditions:
- Temperature range from -30 to +55 degrees
- Air humidity up to 98% (if the temperature is 35 degrees)
- Acoustic noise up to 115 dB
Headphones function within the frequency range from 300 to 7000 Hz.
Efficiency is provided by AA type batteries. Continuous work from AA elements till 24 o'clock.
The overall headset operation ability is more than 5000 hours.


How to unlock HTC phone – HTC Corporation is a Taiwanese electronics company that is offering a plethora of mobile phones. If you’re an HTC fan, you might find it interesting to buy and use the HTC Exodus, HTC U12, or the HTC Wildfire X. But, purchasing these phones from a mobile carrier might give you a locked phone.
In other words, you can’t use other SIM cards but the SIM card offered by that mobile carrier. Unique benefits are in store for you if you unlock your HTC phone, including:
Bloatware is an umbrella term of apps that provides a small amount of usefulness to several users. How to unlock HTC phone, One example is a mobile carrier’s homebrew security app. Even though this particular mobile application can provide a decent amount of mobile security, there are better options that exist on the Google Play Store.
However, getting a locked HTC phone means that you might not have a choice but to deal with bloatware. But that scenario might become a thing of the past when you unlock your HTC mobile device.
Opt to have your HTC smartphone unlocked by an expert technician. Once the expert removes the locked status on the gadget, you should now be free to uninstall bloatware without restrictions.
Remember, to unlock a HTC phone, you need to take note of the potential risks involved. For instance, the warranty on the device from your mobile carrier might vanish. Make sure to go through with the unlocking of your device only if you’re adamant about this decision.
Allow International Roaming Services without Expensive Fees
Some mobile carriers tend to charge their consumers with ridiculous roaming charges. So, if you’re using a locked HTC phone when you’re on an international trip, you have no choice but to use the roaming services placed by your mobile carrier.
For example, you’re using a mobile carrier that charges you $10 for a full day of unlimited calls when you’re in a foreign location. But, you might not be needing the gadget for an entire day. With this, you can buy a local SIM card at a similar price and put it in your unlocked HTC phone. Now, you can use the local mobile carrier’s services for the entire duration of your trip while cutting costs.
An unlocked HTC mobile device allows you to place local SIM cards into the gadget. Therefore, roaming costs decrease significantly.
Switch Carriers Without the Need to Buy a New Phone
Perhaps you find the offerings of a specific mobile carrier to be dull and you find it interesting to switch to a new carrier. However, your HTC phone remains locked to your current mobile company. How to unlock htc phone you find it irksome to spend extra cash to start a new subscription as your preferred plan is expensive because it includes a new smartphone.
But, you don’t want a new smartphone since you already have a perfectly-working HTC mobile device. Instead, you can lessen the costs for the new subscription plan by getting your phone unlocked.
Unlocking your HTC cell phone means you can put the SIM card of the new mobile carrier without the need to purchase a new device. So, all you need to pay for the new subscription plan is the SIM card, which lessens the overhead charges significantly.
Receive Updates Ahead of Time
Some mobile carriers tend to hold back updates to ensure that their bloatware works with the new patch. But, you might not need the bloatware in the first place. Furthermore, you want to experience the new features brought to your HTC device without other restrictions.
Unlock your phone with the help of a reliable mobile device unlocking technician to let your HTC gadget receive updates on-demand. Furthermore, you may also receive over-the-air updates sooner than other devices because you’re now a proud owner of an unlocked mobile gadget.
However, you should be wary that unlocking the HTC phone creates some risks in this regard. For example, some Android games might not work once the patch installs.
Think about the decision to unlock your phone and updating the Android operating system before going through with the process. Be 100% sure that you accept the risks involved to avoid regrets.
Excellent Resale Value
Eventually, you might consider selling your phone with a new model. Perhaps you want to reduce the overhead costs when you buy a new smartphone, for example with a samsung model. So, you’re now looking for ways to increase the resale value of your current HTC mobile device.
Unlocking your HTC mobile phone will help increase its resale value. Many people don’t want to buy a locked mobile gadget because of the many limitations and restrictions. Conversely, an unlocked phone will provide benefits like cheaper roaming costs and lesser bloatware.
Unlocking your HTC Android device can offer several benefits. How to unlock htc phone, these advantages include the removal of unwanted bloatware, reduce expensive roaming charges, and receive phone updates ahead of time. Unlocking your device may also deliver a higher price than intended when you decide to sell your mobile gadget.
Make sure to use the services of a reliable phone unlocking technician to ensure high-quality work. Otherwise, you might put the device at risk of acquiring costly short- and long-term damages.


Multi-Sensor for Your THINKY Mixer
- MS-150ML / MS-300ML / MS-550ML
･Three different size of models are available
･Material temperature can be measured in real time
･Rotational Speed can be measured in real time
･Bluetooth ® connectivity for data logging via P.C..
MS-150ML（for 150ml HDPE container）
MS-300ML（for 300ml HDPE container）
MS-550ML（for 550ml / 650ml HDPE container）
Rotational Speed：Mixing mode, 200～2000rpm / Defoaming mode, Not available
It can be easily attached to the THINKY mixer. With this device, the temperature of the material being mixed can be monitored in real-time by the radiation thermometer method.
Also, since it is equipped with a gyro sensor, it is possible to calculate the rotation speed from the angular velocity and monitor it in real-time.
The real-time data monitored by this device can be collected as a data log via a Bluetooth® connection.
|Unit Dimensions/ Unit weight
|The height of standard HDPE container + 27mm
Approx. 100g （MS-150ML including container）
Approx. 135g （MS-300ML including container）
Approx. 155g （MS-550ML including container）
|Multi-Sensor : Coin cell (Lithium Battery CR2450)
Bluetooth receiver : USB
|Multi-sensor dedicated wireless receiver.
Multi-sensor dedicated application software (Windows only)
|ARE-250 / ARE-310 / ARE-400TWIN / ARE-500 / ARE-501 /
ARV-310P / ARV-310LED


We know D.C. Get our free newsletter to stay in the know.
While the D.C. government tried to improvise without necessary equipment or funds, that still does not excuse basic ignorance of emergency preparedness (“This Is a Test,” 9/21). If Mayor Williams believes the Emergency Broadcast System is “1950s technology,” it may be because it is not the Emergency Broadcast System anymore and has not been for years. It is now the Emergency Alert System, and it notifies agencies, broadcasters, and participating cable TV systems all automatically from the first official authorization. TV and radio stations can set up the system to post bulletins automatically or use as much or as little of the government-provided information as they feel appropriate. All the information anyone needs about it and official emergency preparations in general is available from the Federal Emergency Management Agency (www.fema.gov) and the Federal Communications Commission (http://www.fcc.gov/eb/eas).
Finally, D.C. ought to take advantage of the well-trained amateur radio operators in the region, as Virginia and Montgomery County did. Many ham-radio operators train and participate in a volunteer network (Amateur Radio Emergency Service) and a FEMA-sponsored network (Radio Amateur Civil Emergency Service) that provide crucial communications support to officials to back up swamped telephone and cellular phone systems. Information is available from the Amateur Radio Relay League (www.arrl.net).


INVT AC Drive: GD300
Downloads: GD300 User Manual , GD300 Catalogue
Goodrive 300 obtains CE certification and has multiple protection functions and high reliability.
Goodrive 300 adopts thermal simulation technique; therefore, it has good heat dissipation effect and maintains high reliability.
Goodrive 300 is built-in C3 EMI filter to eliminate interference from outside and enhance system compatibility.
Goodrive 300 series passes various tests in terms of high temperature, low temperature, low pressure and vibration, which ensures high reliability before delivery.
Goodrive 300 series has got TUV-SUD certification, and has TUV mark and CE certification mark. It reaches the highest technical standards in Europe.
High-quality hardware: wide input voltage range, support DC input, DC bus, built-in braking unit (below 30KW), external high-performance LED keyboard, a great quantity of I/O terminals, C3 EMI filter, etc.
Goodrive 300 series has wide input voltage range to meet various working.
environment at user’s location, and it also supports DC voltage input.
Goodrive 300 series supports common DC bus.
Goodrive 300 series supports independent control power supply to facilitate debugging by users.
The Built-in braking unit has the maximum power at 30KW (inclusive).
High-performance LED keyboard is available for users.
Multiway I/O terminals; 3-way analog input; 2-way analog output; 8-way standard digital input, maximum frequency: 1KHz; 1-way high-speed digital input, maximum frequency: 50KHz; 1-way high-speed digital output,1-way terminal Y open collector output.
Support multiway analog input from -10V~10V.
3AC 400V±15% 1.5~500KW.
3AC 220V -15% ~ +10%， 0.75KW – 55KW.


Marine radio is potentially a life line for vessels in an emergency. Avoid unnecessary communications on marine radio. Be aware of the following Marine Radio channels and frequencies when operating a motorised vessel in Port Phillip:
- Recreational Vessels VHF Channel 72, 73 and 77
- 27MHz Channel 96
- Port Operations VHF Channel 12
- Emergency Calls and calling VHF Channel 16 and 67
- 27MHz Channel 86 and 88.
In an emergency call 000 from a phone if unable to use the radio channels.


Philips Lighting has introduced a new wireless connected lighting system aimed at the global office lighting systems market estimated to be worth in the region of $5 billion.
Available first in the US, the Philips InterAct Office system enables building managers to reduce energy use by up to 70%, as well as to optimise operations and create a more comfortable environment without major office renovation.
The system, which features lamps and luminaires equipped with sensors, is installed and operated by Philips Lighting as a managed service, dispensing with the need for customers to make upfront capital investments.
According to Philips, if all offices in North America were updated by 2030 with this technology it could save businesses approximately $6.4 billion on energy, which is equivalent to the output of 36 medium-sized power stations or Co2 emissions of 44 million tons.
Emmanuel Sabonnadiere, CEO of Philips Lighting’s Professional business, said the wireless Philips InterAct Office complements the company’s existing Power over Ethernet (PoE) connected lighting system and is designed for retrofitting existing offices which form the vast majority of office lighting projects worldwide.
“Our new system delivers instant energy savings and requires no upfront investment from customers who pay an easy monthly payment funded by the savings,” Mr Sabonnadiere said.
“However, energy savings are just the tip of the iceberg. Our ‘Light as a Service’ model frees customers to focus on their business, while information from sensors in the luminaires gives them unique insights into the use of energy and office space to enhance operational efficiencies.”
For more information on the Philips InterAct Office system, click here.