3G 4G Cell Phone Jammer with working range up to 30 Meter Features■Highly portable design■GSM,Website:http://www.jammerwill.com, CDMA, DCS, PHS and 3G and 4G signals jammer■Works up to 30 meters radius■Wall socket power charging■Mini size and medium power■No harm to human bodySpecifications■Primary Function: High Powered 4G Cell Phone Signal Jammer■Isolating Signal Bandwidth- CDMA: 850 - 894MHz- ...