Our wifi jammer products are widely used, excellent performance, low price, and more.
This is a GPS signal jammer that prevents GPS signals from reaching 5 to 15 meters.
It is active in libraries, shops and other places.
Cell phone communication signals can only operate on other electronic devices without interference.Cellular circuit breakers with interference function are used in various places as a means to prevent fraud by various test authorities and future students.
Even in the military, there are barriers to certain equipment, such as the artillery's measuring equipment, but little damage to WiFi shielding.Adjust the frequency band of 869 ~ 960MHz, 1575MHz, 1805 ~ 1880MHz or 1930 ~ 1990MHZ, 2110 ~ 2170MHz frequency, DCS/PHS, 3G, GSM/CDMA, we have corresponding GPS.
This is an obstacle that blocks radio waves from your phone.