Music Box Composer

In order not to break the quietness and seriousness due to pesky mobile rings, cell phones are prohibited from using in many places like the meeting room, tribunal, and classroom and so on. What's more, cell phones are strictly prohibited in those confidential places to avoid the leak of the confide...

This is a new wifi signal blocker has been designed to cut-off wireless LAN networks in a radius of 20 to 100 meters. This kind of device can transmit white noise signal in WIFI frequencies, 2400-2483MHz, and cut-off all Wireless network. Even the Bluetooth communication will be cut off when WLJ100 ...