Portable mobile transmitter Phone jammer Check the power switch of the host, make sure the power switch is in the closed position, plug the output plug of the power transformer into the host on the left side of the power socket, and switch the power supply. !!
Built-in Antenna Portable Test Room Phone Signal Shield Device / Device Full Band 2G 3G4G Network Signal Shield Signals including CDMA, GSM, DCS, PHS, SCDMA, 3G, 4G and Wifi portable jammer Bluetooth / 2.4G Communication, Wireless Network (QQ and microblogging, etc.) Signals 3G jammer performance characteristics that eliminate the use of mobile phone fraud candidates to ensure exam fairness for students who create a perfectly fair competitive environment
Effective mobile phone signals such as CDMA (China Unicom), GSM (China Mobile, China Unicom), SCDMA (Netcom Taitung), DCS (1800MHz), PCS (1900MHz), PHS (Telecommunications PHS), 3G, 4G, Wifi Shield, Bluetooth / 2.4G communication, wireless network signal GPS jammer electromagnetic field strength is much lower than national standard and has no effect on human body. Unique cooling vent and double fan design This guarantees long, stable and stable work. Built-in industry standard switch power communication jammer guarantees signal stability!