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The effect of mobile phone detector device in busy areas of electronic products is very obvious

Spears Timothy January 26, 2021 12:30

mobile phone detector device are mainly aimed at various places where the use of mobile phones is prohibited, such as various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, and military centers.

According to Xiaoyi's understanding, mobile phone detector device on the market can limit the use of mobile phone signals and wifi signals with a radius of> 20 meters. As we all know, ordinary buildings do not add professional shielding facilities to wireless signals. This is a situation-the interference signal of the mobile cell phone jammer passes through the wall and is transmitted to the surrounding area. When the mobile phone works, it is within a certain frequency range. The mobile phone and the base station are connected by radio waves, and the data and sound transmission are completed with a certain baud rate and modulation method. The existence of interference signals will cause garbled interference in the message signals received by mobile phones. When the interference signal is strong, the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station, and the mobile phone shows phenomena such as searching the network, no signal, no service, or unavailable signal. When the interference signal is weak, the mobile phone appears to have a signal, but the Internet speed is slow, the call is unclear, intermittent, single-pass, etc.

Therefore, during the college entrance examination or large-scale social examination, users around the examination room may not use their mobile phones or even use them. This is the consequence of the school’s use of mobile phone detector device. Xiaoyi is also full of helplessness. It can be the first time to communicate with the examination administration unit, and resume immediately after the examination. Please understand!