Let's talk about the influence of base stations on the interference effect of cell phone signal jammers
Recently, a key device that has been frequently active in major examination halls, I believe many people should know the real role of this device. It is a key device that has been vigorously promoted in school exams of all sizes, which can effectively prevent and prevent candidates from cheating. That is today's protagonist: cell phone signal jammer. All candidates who take the college...
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