Once the wireless jammer is turned on, is there any way to reverse the shielding?
After some units install wireless jammers, the mobile phone signals and WIFI signals will be blocked, which will cause the mobile phone to temporarily lose the function of answering and making calls, and cannot browse websites, watch videos, play online games, etc. So there are often some staff members of such units who call us to ask: Once the wireless jammer is turned on, is there any way to reverse the shielding?
From the conventional way of thinking, even if the shielding signal is transmitted through the wireless jammer, it can play the role of signal shielding, then think about the problem in reverse: Should there be a way, or is there an electronic product that can transmit an anti-shielding signal to offset the shielding signal of the wireless jammer? Some customers even ask: Is there an electronic device that can crack the shielding signal of the wireless jammer to achieve the purpose of anti-shielding?
However, the above can only be regarded as personal imagination, and the actual result can never be achieved through imagination. The shielding principle of the wireless jammer is very simple. It applies a strong shielding signal to all the communication frequency bands of the mobile phone. This shielding signal is a disordered white noise. From the technical principle, it is precisely because the shielding signal is disordered and irregular that there is naturally no targeted way to crack it. From the perspective of the so-called anti-shielding signal: once the shielding signal of the wireless jammer is emitted and propagated to the surroundings, this process is a natural attenuation process with the increase of the propagation distance. There is no anti-shielding signal to suppress or eliminate it. So this method is also not feasible.
According to all the current conceivable technical capabilities or means, we can only say: once the wireless jammer is turned on, there is indeed no way to achieve anti-shielding. Problems that cannot be achieved by technical means can only rely on some simple and rough means, such as directly forcibly cutting off the power of the wireless signal jammer or using a metal cover to completely buckle it.
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