Cell phone jammer

Mobile phone jammer(GL-04) ◆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 outputs 3watts (output is adjustable) thetotal output is　12watts ◆Can work continuously without a break. ◆Application: jails,churches,meeting rooms,cars(can use vehicle adapter）etc. ◆Corvering range reaches to 0-50 meters radius depending on the signal strength. ◆Dimension:240MM*140MM*60MM. ◆Weight: 2.0KG. ◆Power adapter:5V12A AC110V-240V 50/60Hz. ◆We take use of our customized power supply, which can live 3 times than the power supply of our competitors.