With the GPS satellite navigation positioning constantly updated and development, and vice versa to the vast number of users has brought the corresponding trouble

Product Features:
1.The device only jamming GPS satellite signals, does not affect the normal answer to the phone
2.Effectively prevent the positioning of car / mobile GPS satellite positioning system, go out no longer worry about being tracked

Instructions for use:
1.Install the antenna
2.Insert car's cigarette lighter port
3.When the device is powered on, the indicator light is on and working properly

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.