5 Antennas Signal Block - 5 Antennas wifi signal Jamming

5 Antennas Signal Block,5 Antennas wifi signal Jamming,Product Description Frequency jamming band: All kind of band GSM, CDMA, DCS, 3G, etc Working frequency: 851M-894M,935M-960M,1805M-1880M,2110M-2170M The jammer has 4 transmitter system, each transmit...