What Type Of Bag Block Cell Phone Signal Is Related To Environmental Conditions

Perfectjammer 2022/05/29

In the examination, in order to ensure the grade of the examination room and prevent someone from cheating electronically, the state stipulates that What Type Of Bag Block Cell Phone Signal should be used during important examinations such as the college entrance examination, postgraduate examination, and English CET 4 and 6 to create a level playing field for candidates. The strength of the electromagnetic signal emitted by the mobile phone signal jammer is very weak, and the test data shows that the strength of this signal is far from harming the human body. At the same time, cell phone jammer only blocks the forward signal of the mobile phone, so that the mobile phone cannot establish contact with the base station, so it will not cause any damage to the mobile phone itself at all. The effective shielding distance of the mobile phone signal jammer refers to the indoor distance. In outdoor open areas, the effective distance of shielding can range from tens of meters to hundreds of meters. It should be pointed out that whether it is used outdoors or indoors, the effective distance of the mobile phone jammer has a certain relationship with the environmental conditions at that time. Such as the distance from the base station, the placement location, etc. Therefore, when using mobile phone signal shielding, this factor should be fully considered to avoid blocking dead corners and affecting the shielding effect.

Some schools want to shield the mobile phone signal of the entire teaching building by configuring 1-2 signal jammers between the corridors or 2 floors. This kind of thinking is understandable. After all, the number of What Type Of Bag Block Cell Phone Signal used is small, and it is convenient to install and operate. However, it is not recommended to use a high-power mobile phone signal interference shield to achieve the shielding effect of the examination room. Why is this not recommended? The main reason is that the large-scale mobile phone signal jammers on the market now have a relatively general effect of passing through the wall. Even high-power signal jammers cannot completely cover all the examination rooms in a teaching building, and want to use high-power signal jamming. At least a dozen shielders are required for the entire standardized test room. In this case, the shielding cost is too high, which is not applicable to many school test rooms.

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