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Precautions for installation of Signal Jammer and how to test shielding effect

Precautions for installation of Signal Jammer and how to test shielding effect

  • 2022-08-29

When installing Signal Jammer, pay attention to:

1、 The installation height of Signal Jammer shall not be less than 1.8m from the ground

2、 The installation position shall be far away from the base station, because the closer the signal jammer is to the base station, the smaller the shielding distance.

3、 Before power on, if it is a signal jammer with external antenna, it is necessary to tighten the antenna first and keep the antenna vertical. The identification marked on the antenna shall correspond to the number marked on the antenna hole of the host. It is not allowed to directly turn on the power supply of the Signal Jammer without connecting the antenna to prevent the Signal Jammer from being burnt. Finally, after checking the above problems, turn on the power supply.

When testing the effect of wireless signal shielding device, it is best to use multiple mobile phones of different operators for on-site testing. Through comparison, we can know the effect of Signal Jammer. This is the most convenient, simple and easy test method. Because the customer is not a professional and has no professional testing equipment, this method is the easiest to master. The detailed steps are listed below.

First prepare several mobile phones, preferably the network signals of three operators, and then turn on the signal jammer. Test the effective shielding distance of each mobile phone from the position of the Signal Jammer from near to far. It is recommended to test the shielding distance from the Signal Jammer in multiple directions at the same time. Then check whether the mobile phone is blocked. At this time, it should be noted that you can not only check the number of signal cells on the mobile phone, because the number of signal cells on the mobile phone is not accurate. Instead, you should dial the mobile phone every few minutes. You can try to dial the local toll free number or the number of colleagues. If you can't get through the phone, it means that you are still within the effective shielding range of the signal jammer. If you can get through, it means that you have exceeded the shielding range of the signal jammer.


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