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The most complex and crowded 1800MHz band among mobile jammers

The most complex and crowded 1800MHz band among mobile jammers

  • 2022-07-19

The mobile jammer is to complete the signal interference for all 2G, 3G, 4G, 5G and other standards, which determines a standard 5G mobile jammer, the frequency range of its interference signal coverage needs to be included from 700MHz to 4960MHz. Of course, in such a wide frequency bandwidth, the mobile jammer does not need seamless coverage during the implementation of signal interference, but only needs to be able to cover the frequency band that works for mobile phones. Among all the working frequencies of mobile phones, there is one frequency band that is the most special. Its bandwidth is only 115MHz, but it concentrates 2G, 3G, 4G and other mobile phones of different standards from China Mobile, China Unicom, and China Telecom. Signal.

This most special frequency band is the 1800MHz frequency band. Its frequency range is 1805-1920MHz, and the mobile jammer's coverage of the 1800MHz frequency band is also in line with this frequency range. According to the latest planning standards of the Ministry of Industry and Information Technology, 1805-1830MHz belongs to China Mobile's 2G frequency band, 1830-1860MHz belongs to China Unicom's 3G and 4G frequency bands, 1860-1880MHz belongs to China Telecom's 3G and 4G frequency bands, and 1885-1920MHz belongs to China Telecom's 3G and 4G frequency bands. For China Mobile's 4G or 5G frequency band, each communication operator determines whether to deploy 3G or 4G base station signals according to their own needs in the actual operation process.

We can see that the 1800MHz frequency band is indeed the most complex and crowded frequency band, and if the mobile jammer wants to achieve a relatively ideal signal interference effect, it must pay attention to and strengthen the power of the interference signal in the 1800MHz frequency band, and at the same time, it needs to be more reasonable. The division of the interference module. Generally speaking, for the current mainstream mobile jammers, in the frequency band division scheme of the jamming module, the preferred method is to divide into two: 1805-1880MHz and 1880-1920MHz. But this is still not the best solution. If you want to pursue better interference effect, the most ideal way to divide the mobile jammer in the 1800MHz frequency band should be divided into three sections, namely: 1805-1830MHz, 1830-1880MHz, 1880-1920MHz.

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