Signal jammer Congo - signal jammer Red rock

Signal jammer Congo,signal jammer Red rock,Specification Shielding Range: -CDMA 851-894MHz -GSM 925-960MHz -DCS 1805-1880MHz -PHS 1930-1990MHz -3G 2110-2170MHz Antenna: 5pcs Omnidirectional antennas Application Area:  Prison, guard,...