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Questions about phone jammers

by LIU YIFA 12 Apr 2022

Phone Signal Jammers will be your trusted and loyal defender and will provide you with a safe and quiet space! National Security Bureau, National Security Bureau Science and Technology Achievement Appraisal Committee, People's Liberation Army Information Security Evaluation Center, National Explosion-Proof Electrical Product Quality Supervision and Inspection Center, Small Interferer National Shenzhen Electronic Product Quality Testing Center Information Security The mobile phone signal jamming secret service protection product that created the product test center released the provincial public security police and strictly certified electronic product quality inspection center, electromagnetic leak test center and issued the corresponding certificate.

16-Band Handheld 5G Jammer GPS WIFI Mobile Phones UHF VHF Signal Blocker

Deterrence devices such as GSM and CDMA mobile phone terminal shield effect mobile phone signal jammers, this is a good question. GSM cell phone jamming performance of CDMA cell phone is much better and is therefore effective shielding CDMA cell phone blocker phone 3G / 4G phone jammer distance less than GSM cell phone, due to the difference, about 20 It reaches up to 40 meters. Questions about phone jammers

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