This product for all the current GPS satellite positioning system features, in the use of this product radius of 2-15 meters within the effective GPS satellite signal truncated

Product Features:
1.Effectively block with GPS satellite signals, to protect your whereabouts of privacy and confidential information.
2.Jammer with all current GPS satellite positioning signals.
3.Not affect the normal use of mobile phones or other electronic equipment.

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.