Cell phone blocking device
Cell phone blocking devices, also known as cell phone jammers or signal blockers, are electronic devices that are designed to disrupt or block the communication signal between a cell phone and the cellular network. They can operate by emitting radio frequencies that interfere with the cell phone signal, preventing the phone from receiving or transmitting data, calls or text messages.
All frequency mobile phone signal jammer, Using efficient cooling technology, built-in 6 cooling fans, the device can work long hours.Jamming radius up to 40 meters
The high-power 30W jammer effectively shields 2G 3G 4G 5G mobile phone signals and WIFI signals, and has a wide coverage range of 100 to 200 square meters (-75 dBm).