Advantages of existing technology ofย cell phone blocking device:
(1) The new mobile phone signal jammer can already realize the IMSI number obtained in 4G mode, which does not disturb the people, does not interfere, and is green and environmentally friendly;
(2) Which floor in that area has a mobile phone violation alarm, that is, the shielding device in the area is activated. All devices in the supervision area of the entire unit are not activated together, and not activated for a long time within 24 hours, so the shielding effect is very small, the time limit is very short, and the green color environmental Protection;
(3) Leading technology, mature and reliable, and in line with the technical prevention requirements of national signal control;
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