Are signal jammers harmful to people or phones? Signal jamming device emits electromagnetic signals. This type of jammer products have passed microwave radiation testing and certification. This radiation intensity is very weak and will not cause harm to the human body. The signal jammer only blocks the forward signal of the phone, so the phone itself is not damaged and the phone cannot connect to the base station.
If you can transmit interference radio waves of the frequency used by your phone, it will interfere with your phone's communication, so you can reliably prevent all phones in the lobby from ringing. And for the same reason, similar results can be achieved in hospitals where patients need to rest quietly. It can help you to protect yourself, cut off the communication with the outside, and prevent information from flowing out.
Super strong signal blocking equipment is the introduction of foreign advanced technology and the actual situation of international mobile communications. This is a 3G, 4G, 5G, GPS, WIFI, CDMA, GSM, PHS, DCS, 315, 433, vhf, uhf and lojack High-tech products developed by Signal. The interference product can effectively shield the microwave signal between the base station and the mobile phone, thereby disconnecting the external and mobile base stations. The product is easy to use, compact and can be delivered separately, and can be used in areas with different environments.