Hereinafter are the jammer's features: GS-07 1.Frequency jamming band: GSM, CDMA, DCS, 3G, Satellite phone etc. 2.Working frequancy: 851M-894M, 935M-960M, 1805M-1880M, 2110M-2170M 3.Jamming area can be adjusted precisely 4.The jammer has 5 transmitter systems, each transmitter output 5watts (output is adjustable) 5.Can work continuously 6.Application: jails, churches, meeting rooms, cars(can use vehicle adapter)etc. 7.Corvering range reaches to 0-70 meters radius where the field intensity is less than minus 100DMB 8.Weight:2.1KG 9.Dimension: 290MM*110MM*40MM 10.Power adapter: 5V12AAC110V-240V 50/60Hz