12 Bands Jammers

So, there is no doubt that today to introduce this 12-band jammers also have these characteristics:
This 12 bands cellphone jammers device has a good cooling system, can long hours of continuous work. Can adjust or turn off any single band without influencing the other bands operation. Can interfere with 12 different frequency bands, and can adjust the output power as needed:
CDMA: 850-894MHz
GSM: 925-960MHz
DCS: 1805-1880MHz
GSM: 1920-1990MHz
3G: 2110-2170MHz
GPS:1570-1580MHz
WiFi 2.4G: 2400-2500MHz
VHF: 135-174MHz
UHF: 400-470MHz
4G LTE: 725-770MHZ
4GWimax:2345-2400MHz
LOJACK:160-175MHz
With a large interference range of 70 meters, can cover a whole classroom or medium-sized room. Can be used for educational institutions, churches, cinemas and other places that need to remain quiet.