At present, you can often see the appearance of mobile phone signal jammers in examination rooms in schools. It is not uncommon until now. On the contrary, it is used in more and more places. It is generally used before and after the classroom and when preparing for exams. This device not only blocks mobile phone signals, but also provides candidates with a level playing field. The installation of a mobile phone signal jammer in the examination room may result in no network signal in an area, so special attention must be paid when using it, but this does not affect the transmission of base station signals.

Mobile phones have affected everyone's lifestyle, but this may have an impact on some students. Excessive use of mobile phones will not only affect vision, but may also affect academic studies. Since the emergence of mobile phone signal jammers in examination rooms, it has cracked down on the use of mobile phones by some students in school. And it only blocks mobile phone signals, and the use of other electronic devices and signals from base stations are not affected. Nowadays, many students have mobile phones, lack self-control, are addicted to games and novels, and use mobile phones to cheat in exams. Many schools install them and control them.

Send signals in the designated frequency band and block the mobile signals received by the mobile phone. In this way, the mobile phone cannot connect to the network and cannot send and receive short messages through the mobile phone, making the original message unrecognizable, thus achieving the purpose of shielding. This is the main purpose of the cell phone signal jammer in the examination room. work process. Reasonable use can completely avoid interfering with the normal use of other electronic products, so there is no need to worry too much about such products.