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Blocking Other Cell Phone Numbers

Perfectjammer 2021-12-02

Blocking Other Cell Phone Numbers

You can make a call only from the service area of ​​a specific area, or you can make a call immediately after leaving the interference area. There are also some useful features. You can adjust the on/off and strength of each resistance band. With independent power supply and radio control buttons. You can individually set the radio waves to be blocked. Only cut off the radio waves you want to block. It can run stably for a long time. I am not saying that this will be the electromagnetic coverage of smartphones. I want to know what a radio barrier is. The mobile Blocking Other Cell Phone Numbers device is designed to prevent antenna mining errors only after the correct antenna is inserted. (Note: If there is no antenna, please turn on the power switch, it may damage the machine.) *Simple operation, automatic power supply Bluetooth device implementation, slow start, to avoid hindering the effective ignition circuit design *Imported cost-effective-high-performance integrated circuits and SMT parts, Imported automatic SMT machine and reflow soldering machine processing, assembly line production, high quality, stable performance, maintenance utilization rate is less than 2%. Suitable for all test items of electronic interference equipment, avoid corrosive gases and liquids, avoid dust and moisture, and will not accelerate the aging of equipment components. cell phone jammer

Many classrooms are equipped with cameras. There is a box with a width of 30 cm and a height of about 50 cm. In addition, the word "Blocking Other Cell Phone Numbers" is also written. The testing laboratory installs mobile phone jammers in the examination room during the unified examinations such as postgraduate examinations and CET examinations, and builds standardized laboratories. With the completion of the test center, the test center will prevent fraud through full-time signal detection, tracking and restriction.

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