We can use more equipment to solve the problem you are experiencing.
Knowledge: the signal is actually encrypted transmission of electromagnetic waves, the signal peaks and troughs on behalf of 1,0. cell phone jammer play a superposition of waves, resulting in the shielding effect.
What mobile phone jammer in the examination room is the real meaning? That is to make cheating candidates signal disappears, so that everyone fair exam.
cell phone blocker can be controlled with a switch, you can use the time to adjust the demand signal shielding range based on.
mobile phone jammer used in schools should be legalized because it can contribute to student learning and exam fairness.
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