WiFi, bluetooth, and wireless signal jammer for worldwide use. The wireless blocker transmits on three primary frequencies to block all nearby WiFi network activity, bluetooth devices and wireless video camera signals. Conduct your company presentation, meeting, worship service, legal proceedings, or other important activities with security and peace of mind. When the wireless signal blocker is turned on, you have a 20 meter radius of security, and when you turn off the signal blocker, all the wireless network activity will automatically be re-established. While you may have seen plenty of wireless communication jammers before, this model is quite simply one of the best on the market today. Specifications Main functions: Wi-Fi, bluetooth, wireless video signal jammer Additional functions: Spy cam and audio bug blocker Isolating Signal Bandwidth - 1.0G: 895-1000MHz - 1.2G: 1195-1300MHz - 2.4G: 2395-2500MHz Coverage Area: Up to 20 meters Power Source: Wall plug, car adapter, or built-in battery Internal Battery: 2000mAh rechargeable Li-ion Typical Battery Life: 90 minutes Dimensions: - Antennas off = 112mm x 60mm x 30mm (L x W x D) - Antennas on = 195mm x 60mm x 30mm (L x W x D) Package Contents 1 x WiFi Bluetooth Wireless Camera Video Jammer Portable Wireless Block TG120C 1 x Power Adapter 1 x Car Power Adapter 1 x English manual