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由于无线通信基站信号覆盖率不强,越来越多的人开始使用手机信号放大器。没有经过国家相关标准检测的“三无”手机信号器越来越多的出现,使得电磁背景噪声日益提高,导致城市电磁环境日益恶化。手机信号放大器的危害已成为广大群众必须关注的问题。
As the signal coverage of wireless communication base station is not strong, more and more people begin to use the cell phone signal amplifier. More and more mobile phone annunciators have not been detected by the relevant national standards, increasing the electromagnetic background noise and causing the urban electromagnetic environment to worsen. The harm of the cell phone signal amplifier has become a problem that the masses of people must pay attention to.