New Age Securities provides cost-effective and genuine signal jamming devices for private event, office, classrooms and examination centers. Our high power signal jammers block all mobile signals of GSM, CDMA, DCS, PHS, 3G, 4G, Wifi & Bluetooth Signals. Their ON/OFF switch makes it user-friendly and is easy to install & operate. Here are some features:<br /><br />- Blocks 4G 3G GPS Wifi signals in one unit - Wifi, Bluetooth & Wireless Video