Skip to main content

Posts

Showing posts with the label mobile-telephone

How does mobile phone jammer work? - Everything about cell phone signal jammers!

Mobile Phone Jammer We know cell phones have become such an essential device that if you accidentally forget to wear a shirt when you go out, don't forget to keep a mobile phone in your hand. Such things could not have been imagined just a few decades ago, but now you can call Bindas anytime anywhere in the world using cell phones. But unfortunately, places like shopping malls, restaurants, mosques, movie theatres, etc. often suffer because of cell phones, because many people do not realize where to talk and where not to talk. In mosques, "Please turn off cell phones" - even after posting notices, it doesn't work, many people don't care. And this time cell phones or mobile phone jammers can prove to be quite useful devices. Mobile phones work on radio waves, and since radio waves can be easily interrupted or jammed, this is how cell phone jammers are used. In this article, I have described how a radio signal jammer works, where it is used and whether it is legal o...

Description of Mobile Internet and Wireless Communication Systems

Mobile Internet Currently, mobile phone companies are providing Internet services to mobile phones with the help of GPRS and EDGE technology. In this case, Wireless Application Protocol (WAP) technology is used, where no carol and modem are required, very easily from any part with the help of mobile phone internet - mail exchange, internet banking, e-comy searching for important information, shares in capital market. Important information regarding shopping, admission to educational institutions and any breaking news is known. Advantages of using internet on mobile phones: (i) Exchange of essential information easily with the help of internet from anywhere within mobile network coverage. (ii) The cost of using the Internet is relatively low. (iii) No hassle of connecting cables and modems. (v) All the facilities of internet are available on mobile phones. Such as e-commerce, online banking, medical services, searching for important information, selling shares, searching for important i...

Introduction to different generations of mobile telephone systems and describe the uses and advantages and disadvantages of GPRS and EDGE technology?

Different generations of mobile telephone systems A stage or stage of increasing use and development of mobile phones is called mobile phone generation. The mobile technology invented so far can be divided into four generations. Below is a detailed discussion about its generation. First generation: In 1983, the first generation of mobile phones commercially introduced in North America, called AMPS (Advanced) Mobile Phone System) used AMPS analog signals to communicate. Its link channels are separated by FDMA (Frequency Division Multiple Access) method. This system uses two analog channels, namely — forward and reverse, base station reverse. Besides, there were two other mobile phone systems in operation called first generation CT/1 and NMT. First generation mobile systems have the following features -- (i) This generation uses analog system of radio signals. (ii) Cell signal encoding method is FDMA. (iii) Mobile phones are smaller in size and lighter in weight than the typical telepho...