How can cell phone signal jammers interfere with your cell phone signal?

Geplaatst op 26 juli 2022 om 10:13 uur

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Mobile phone signal jammer have become standard equipment in the examination room, not only for middle and high school entrance examinations, but also for postgraduate examinations, civil service exams and various qualification certificates. Mobile phone signal jammers are required to prevent candidates from contacting the outside world through wireless signals. In the test room using Dazhan Electronics' mobile phone signal blocker, various mobile phone signals (2345G), wireless intercom signals, Bluetooth WiFi signals, etc. will be blocked by interference.

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