The handheld signal blocker is a high-tech product carefully developed by our factory using advanced technology at home
and abroad for the continuous development of communication standards and according to the actual situation of wireless com
munication at home and abroad. Can effectively shield (CDMA/G-SM/DCS / 2 G / 3 G / 4 G/WIFI/GPS/beidou/GPS / 5 G / 5.2 G / 5.8 G/VHF/UHF) such as the wireless signal, and other electronic devices around communication and transmission does not have any negative impact and interference. The machine can effectively shield the above wireless signal within a radius of 5-20 meters (depending on the strength of the fifield signal).