Is it effective to install a low-power mobile phone signal jammer outdoors?

Is it effective to install low-power mobile phone signal jammers outdoors?

Mobile phone signal jammers are divided into three power levels according to the transmission power. The first level is low-power jammers, and the transmission power of each shielding module is below 2-3W; the second level is medium-power jammers, with a transmission power of 10-20W; the third level is high-power jammers, with a transmission power of up to 50W or even 100W. Different application environments require Cell Phone Jammers of different powers, but customers often ask, is it effective to install low-power mobile phone signal jammers outdoors?

Usually, high-power mobile phone signal jammers are used in open areas and large spaces outdoors, and low-power jammers are used in indoor environments. Although it is extremely rare, there are special cases where low-power jammers need to be installed outdoors, but in most cases, the effective shielding range of low-power mobile phone signal jammers installed outdoors is only 2-5 meters. The limited coverage is mainly due to the low transmission power of the equipment, and such a small coverage cannot meet customer expectations.

The actual shielding range of the mobile phone signal jammer is closely related to the mobile phone signal strength in the location. The stronger the mobile phone signal, the shorter the effective shielding distance. In outdoor environments, the mobile phone signal strength is generally at least 10dB higher than indoors. Therefore, some low-power mobile phone signal blockers can effectively block distances of more than 10 meters when used indoors, but when tested outdoors, the shielding distance is significantly shortened. Best-selling WIFI jammers and GPS jammers in Europe and America.

When installed outdoors, the shielding distance is generally only 2-3 meters. If a large area is required, dense installation through cellular networking is required, which is impractical. First, a large number of mobile phone signal blockers need to be purchased, and second, it brings great challenges to power supply and equipment installation.

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