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Why is the interference distance between mobile phone jammers and mobile phone signals of different operators different in the same site?

Why is the interference distance between mobile phone jammers and mobile phone signals of different operators different in the same site?

  • 2022-07-04

When using the on-site interference effect test of the mobile phone jammer, we often encounter that the interference effect of the mobile phone jammer on the mobile phones of different operators is different, some even very different. This kind of situation is often encountered in the process of testing or use. What is the reason for this situation and how to deal with it?

The reason for this is that the signal strength of mobile phone signals with different frequencies transmitted through the base station to the use site is different, while the signal strength of white noise interference signals with the same frequency transmitted by mobile phone jammers is unchanged. So let the white noise interference signal with the same signal strength transmitted by the mobile phone jammer interfere with the mobile phone signals with different frequencies to the mobile phone signals with different signal strength on the use site, and the interference distance to the mobile phones of different operators is different. With the shielding scheme of white noise interference mode, the interference effect depends on the signal strength of the mobile phone at the use site. It can also be understood as the distance between the surrounding operator base stations at the use site. The closer the operator base stations are, the stronger the signal to the use site is, and the closer the interference distance of the mobile phone jammer is, and vice versa. The cell phone signal is too strong, which causes the cell phone to be placed next to the cell phone jammer, and the cell phone can still be used normally without any influence. This situation is also common. In this case, the conventional mobile phone jammer cannot be used.

After on-site testing, if the interference effect of the mobile phone jammer on some operators' mobile phones is poor, it can be basically determined that the strong signal strength of the mobile phone on site leads to poor interference effect. How to solve this situation? Welcome to your consultation, we will give you the optimal design scheme, and provide free technical consultation.

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