Under the interference of the full-band jammer, why does the mobile phone still have a signal display?

Under the interference of the full-band jammer, why does the mobile phone still have a signal display?

1. There is a signal displayed on the screen of the mobile phone. When making a call, the mobile phone can still be used normally, and the call quality is relatively good and is not affected. In this case, it is possible that the full-band jammer does not achieve effective interf

Under the interference of the full-band jammer, why does the mobile phone still have a signal display? Read More »

Can the antenna of the vehicle-mounted mobile phone signal shielding device be installed inside the car for concealment?

Can the antenna of the vehicle-mounted mobile phone signal shielding device be installed inside the car for concealment?

In recent years, the demand for vehicle-mounted mobile phone signal shielding instruments has greatly increased, especially for high-power models, which have been particularly favored by police departments. However, in the vehicle modification and equipment integration stages of

Can the antenna of the vehicle-mounted mobile phone signal shielding device be installed inside the car for concealment? Read More »

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