The cellular wifi jammer scans from the direct channel to the higher lower frequency at a certain speed during operation. This scanning speed will cause scrambled interference with the SMS signal received by the mobile phone, and the mobile phone will not be able to recognize the normal data sent by the base station, which will prevent the mobile phone from connecting to the base station. . The mobile phone is manifested by the phenomenon of network search, mobile phone without signal, without service system, etc.
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