portable cell phone jammer

2. Is cell phone jammer harmful to human experience?
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For radiation, as long as there is radiation of the size of the electronics. Any electrical appliance will have radiation. Just as we used to use cell phones every day to fight the inevitable next ear, it would be radioactive, the country had to set up a standard cell phone radiation, radiation and our cell phone shielding the rest of the signal from far below the national standard, and every day, there was no time to count the ears, so the human body had almost nothing to do with it.