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5.8 ghz interference with wifi

However, cell phone jamming in prison has been a recurring theme in France for several years. Since 2002 the law has allowed portable jammers to be installed in prison. As of January 1, 2018, 110 prisons were equipped with 894 jamming devices, i.e. H. 60% of the prisons.

phone signal jammer

Problem: The previous devices have shown their technical limits in view of the development of mobile phones. According to the Justice Department, this new wifi jammer system is suitable not only for 4G but also for future 5G. It should also be adapted to the specifics of the prison architecture - reinforced concrete walls, grids, bars - that limited the effectiveness of the old devices.