Has comprehensive jamming bands, can jamming all mobile phone frequencies, WiFi, GPS, Walkie - talkie and so on. This product has a very large range to jammer signals, can block all signals within 70 meters, able to meet the needs of the vast majority of situationsa

Product Features:
1.Has a good cooling system with cooling fan inside
2.This jammers can adjust or turn off any single band without influencing the other bands operation
3.Can work continuously for a long time

Application Area:
Can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more

Precautions:
1.The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing.
2.If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer.
3.It is forbidden to use while charging.
4.Do not use handheld jammers as desktop jammers.
5.Do not use jammers before connecting the antenna.