GSM 3G 4G WIFI signal blocker video

5-band portable GPS jammer with GSM 3G, 4G WIFI signal blocker

This 5-band jammer is designed to be very portable and easy to remove the antenna. There are separate frequency switches that can be turned on or off as needed.

Product Features:

1.Effective prevention by GPS satellite positioning tracking, to protect your whereabouts of privacy and confidential information.

2.While effectively jammer CDMA / GSM / DCS / PHS / 3G and other mobile phone signals