Cell phone jammers can be used normally in different environments

To put it simply, the frequency announced by the mobile phone signal jammer interferes with the frequency of the mobile phone receiving the base station. cell phone jammer and base stations are destined to be competing connections. If the transmission power of the mobile phone signal jammer is less than the channel transmitted by the base station to the mobile phone in the environment at that time. If the power of the signal jammer is greater than the power transmitted by the base station to the mobile phone, the mobile phone signal jammer device will not be able to effectively shield. Therefore, when any shielding device is used in different signal environments, it will show different shielding intervals, and China Mobile, China Unicom and China Telecom will also be different because of the density of base stations built by these three operators, Azimuth and base station power are not possible. same. of.

That is to say, how many meters a cell phone signal jammer can shield is not only related to its own transmission power, but also to the distance between base stations in the environment (the base station is not limited to the construction of large transmission towers on the ground, but also buildings) . The signal expansion antenna on the top and the signal expansion and distribution in some buildings), another important factor is the obstacle, if it is a metal material, it will be blocked directly; if it is a solid wall of reinforced concrete, the attenuation after penetration will be small Some. 10 times; if it is made of wood or glass, the attenuation after penetration is relatively small.

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