Portable Cell Phone 3G 4G High Power Jammer

This a portable cell phone signal jammer. It has a very convenient single frequency switch. You can choose to open or close a frequency band as needed. With good heat dissipation system, it can work for a long time. Can block the main mobile phone band and WIFI and GPS signals.

More information on cell phone jammers, please visit:
https://www.perfectjammer.com/all-cell-phone-jammers-blockers.html

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