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Does the telephone jammer interfere with other wireless signals?

Does the telephone jammer interfere with other wireless signals?

  • 2022-10-09
We all know that in some special situations, the telephone jammer is required to shield the mobile phone signal to prevent leakage or cheating. For example, some confidential meetings are not allowed to carry mobile phones, and when they arrive, the mobile phone signal will be shielded by the telephone jammer.

How does the telephone jammer shield the mobile phone?

To put it simply, take the mobile phone as an example. The mobile phone needs to communicate with other devices outside the examination room through the signal tower, while wireless communication needs electromagnetic waves to carry. According to the characteristics of electromagnetic waves, the devices on both sides need to be within a certain frequency range to send and receive. The telephone jammer is to affect the frequency of your electronic equipment to make the frequencies of both sides different, so as to achieve the shielding effect.

Generally, wireless microphones are used in classified meeting rooms. Will the wireless microphones or other wireless devices be affected when the telephone jammer is turned on?

The telephone jammer only shields the 2G/3G/4G/5G signals of the mobile phone, and the output frequency bands are fixed bands used by the mobile phone, while the frequency bands used by other wireless signals will not overlap with the frequency bands of the mobile phone, so the telephone jammer will not interfere with other wireless signals. For example, the wireless microphone generally uses the frequency band of 700MHz, while the lowest frequency band of the telephone jammer is 865-885MHz of China Telecom. They are not in the same frequency band, so they will not interfere. However, in the process of use, the wireless microphone should be kept at least 1-2 meters away from the telephone jammer to prevent electromagnetic interference.

In our life, we are familiar with radios, walkie talkies, etc. In the telephone jammer, you can customize a specific frequency band to interfere. The Wi Fi signal and our telephone jammer are interfered when they leave the factory. This is to prevent the mobile phone from contacting the outside world by connecting to the WiFi network.

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