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.
Jamming frequencies CDMA/GSM: 850-960MHz
DCS/PCS: 1805-1880MHz
3G: 2110-2170MHz
GPS: 1570-1610MHz
WiFi: 2400-2485MHz
LOJACK: 168-178MHz
4G: 2620-2690MHz or 2300-2400MHz Learn More
