Detailed Product Description Powerful mobile phone signal jammer Disconnect linkage between cellular handset and cellular base station for all types of cellular systems 1* Output power: 150W 2* Range of interception: radius 100-300 meters, 2* run for 24x7 without over heat 4* with ALC power control,Adjustable coverage 5* having a numbered dial and moving hands display 6* Isolation bandwidth: CDMA: 869-894MHz GSM: 925-960 MHZ DCS:1805-1880MHZ WCDMA:2110-2170MHZ PHS:1900-1925MHZ PCS:1930-1990MHZ