The popularity of smart phones makes almost everyone own a mobile phone, and its communication products are very convenient. You can easily conduct more home communications, even video calls. But the use of mobile phones has become more and more serious. Smart phones have functions such as shooting, GPS positioning, and GPS navigation. These functions are not only convenient for people to use, but also may pose important threats. Among them, information leaks and GPS tracking of mobile phones is more frequent on mobile phones. Mobile phones are used in the information age. They are important communication equipment and entertainment equipment. However, there should be certain regulations for the use of mobile phones. Not everyone can use it anywhere, for example, it is forbidden to make calls at gas stations. Even use your mobile phone on the plane, but don’t let your mobile phone influence others. Mobile phones are widely used in people’s work and life with their convenient and flexible functions. Mobile phone communication is the transmission of voice and data information in an open electronic communication system. As long as there is a corresponding receiving device, it will be able to intercept the call information at any time, any place and anyone. Every mobile phone call can be clicked.
Mobile phones operate on different frequency bands in different countries/regions. It tends to use GSM 900 and 1800 bandwidth in places such as Asia. The United States uses the 850 and 1900 MHz frequency bands. Using different frequencies makes it difficult to interfere with all frequencies. Depending on the frequency you need to block, a suitable smartphone jammer is important. Mobile phones were blocked from theaters to commuter trains. Cinemas and libraries use these products. I am reading quietly. If approved by the government, Japan can install interfering radio waves in public places such as theaters and concert halls. This device violates personal freedom. Judging that it may affect public safety. He sells cell phone jammer and says that he is expanding his business to all parts of the world. Sometimes I forget to turn off the phone. For many people, mobile phones are essential. When your phone is annoying, Wifi interference is very common.