Do you know how to make your phone unable to receive signals? The gsm jammer will not only block the mobile phone signal, but also affect the communication mode of the mobile phone. Depending on the building, the radio waves may not be in range, that is, the radio waves have not arrived. Another method is to use a mobile jammer to force you out of range. The device is a gsm radio circuit breaker. This device can block the smartphone signal. The phone will be recognized as a service interruption, you will not be able to talk, and it can also block connections to Wi-Fi networks and Bluetooth devices.
There is a device called a high-frequency GSM jammers that interrupts two-way communication between the phone and the base station. RF jammers are fairly simple devices. The simplest jammers only have an on / off switch and an LED that indicates the device's power. There is an external antenna. The smart gsm jammer allows the user to select the desired interference frequency. Disable the signal within a radius for a few seconds at startup, you can also use it in the car, it must be fully charged before use, and it can be placed in a schoolbag.
At the same time, with high-quality multi-band gsm blockers, you can protect your car from GPS tracking. To provide a secure environment, the main telecommunications networks in most countries are 3G and 4G. Disconnect a loud call sitting nearby on the train. Disrupts GPSL1 and 2G 3G mobile phone signals. There are many types of WiFi radio shielding, you can disconnect the communication between the mobile phone and its cellular base station, which is really annoying for other users who are constantly disturbing on the phone.