examination room cheap mobile phone jammer

Mobile phone jammer(GS-04A)
?Frequency jamming band: All kinds 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 2watts thetotal output power is 8watts
?Can work continuously without a break.
?Application: jails,churches,meeting rooms,cars(can use vehicle adapter)etc.
?Corvering range reaches to 0-40 meters radius depending on the signal strength.
?Dimension:240MM*140MM*60MM. ?Weight: 2KG.
?Power adapter:5V12A AC110V-240V 50/60Hz.
?We take use of our customized power supply, which can live2 times than the power supply of our competitors.
?Our jammers can live 2 times than the jammers of our competitors.
examination room cheap mobile phone jammer