This jammer device can jamming all cell phone signals such as 2G, 3G , 4G. Except for cell phone signals, it can also jamming WiFi and PHS signals.
This high power desktop jammers has the output power adjustable function. Your can adjust the blocker range as needed.

Product Features:
1.Highly efficient double fans with a low noise make the device in a good cooling and continuous work
2.Adjustable output power design makers use more convenient
3.Each frequency channel can be controlle separately
4.Jamming range can be up to 30 meters

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.