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Cell phone jammers need systematic management

Fullmer Erik 2022/07/11

  In various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, military areas, etc., we prohibit the use of mobile phones. In occasions, it is forbidden to use mobile phones, but in the above occasions, if you are not careful, the mobile phone will be turned on and brought in, so a technology is urgently needed to shield mobile phones without affecting the use of other electronic products. and was born.

  Within a certain frequency range, the mobile phone and the base station are connected by radio waves to complete the transmission of data and sound with a certain baud rate and modulation method. In view of the above communication principle, the gps jammers scan from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. The scanning speed can cause garbled interference in the message signal received by the mobile phone, and 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. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc. Eventually, the mobile phone has no signal and cannot receive text messages and calls.

  When there are too many mobile phone signal jammers, especially after multiple buildings in the prison area are shielded, it is difficult to turn on and off in a centralized manner; even if the power cord is arranged uniformly, a special person is required to be responsible for turning on and off on time; it can be turned on and off by software Precise timing on and off control for any point or group; after timing some positions that do not need to be turned on continuously for many years, it is beneficial to energy saving, environmental protection and prolonging the service life of the equipment