Specification :

This product is suitable for where forbid to use mobile phone.
Hereinafter are the jammer's features:
GS-04B
1.Frequency jamming band:All kind of band GSM,CDMA,DCS,3G,etc.
2.Working frequancy:851M-894M,935M-960M,1805M-1880M,2110M-2170M
3. Jamming area can be adjusted precisely
4.The jammer has 4 transmitter systems, each transmitter output 3watts (output is adjustable), the total output is 12watts
5.Can work continuously
6.Application:jails,churches,meeting rooms,cars(can use vehicle adapter)etc.
7.Corvering range reaches to 10-40 meters radius where the field intensity is less than minus 100DMB
8.Weight: 1.8KG
9.Dimension:240MM*140MM*60MM
10.Power adapter:5V8AAC110V-240V 50/60Hz