Mobile phone signal blockers are widely used in prisons, schools, libraries, conference rooms, training rooms, temples and other fields to block mobile phone 2G 3G 4G 5G WIFI BLUETOOTH CCTV signals.
Our cell phone signal jammers consist of RF power amplifiers, heat sinks, cooling fans, high-gain antennas, etc. It emits jamming signals to suppress cell phone wifi network. Then in the invalid area, the mobile phone cannot receive or send messages and calls, and the Internet access on the mobile phone is also broken. The WIFI connection is also broken.