The GSM frequency jammer only targets the uplink and downlink channels of the mobile phone system. It uses frequency doubling, frequency division, frequency hopping filtering and other technologies to analyze the frequency that needs to be shielded. When the jammer is in the working state, a spherical shield space is generated according to its power. At this time, the mobile phone in this space is invalid and cannot receive or call out, thereby achieving the purpose of forcibly disabling the mobile phone.
The GSM jammers used ultra-high frequency broadband interference technology, and the power output is controlled by intelligent remote control technology. The remote control range can reach 10 meters. The power is high, the interference radius is large, and the range is adjustable. Using advanced filtering technology, it only interferes with the downlink and does not affect the base station Causes interference; metal casing design, solemn and beautiful. Can be widely used in various professional secret-related places, professional flammable and explosive places, professional operating places and other mobile phone bans.
There are a lot of jammers on the market. Many mobile phone jammer can not only shield the mobile phone signal, but also intercept the WiFi signal. Similar to the jammer in the exam room, for some students, if they are late at night, they will be affected by playing games in the dormitory next door The influence of noise can be used by mobile phone signal jammers. It is used irregularly at night. The effect is very good, and the operation is simple and convenient. It only shields the communication signals of the mobile phone on site, and has no effect on the surrounding communication base stations.