In May 2021, a prison in Hunan Province selected our company's latest 5G jammer: SMa-818B5 mobile phone jamming device. At the request of the prison, it is necessary to interfere with the signals of various rooms in the prison, and the types of signals include mobile phone signals and WiFi network signals. For dormitory buildings, it is generally recommended to install mobile phone interference devices on the wall on one side of the corridor, and arrange one every three rooms on average. One floor needs 3-5 units. When all mobile phone interference devices are turned on, full coverage of mobile phone network interference can be achieved.
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