Note: This GPS jammer can only block GPS signal, and CANNOT block GSM/GPRS signal which is usually used by some GPS trackers! This is an original device from the original factory. There are other devices that look the same but they have a very weak signal cover. They cover max 2M instead of 8M.
Jamming radius: 10-30M, Note: the jamming radius is just for reference. If your operation location is too close to the base station, the jamming radius will go down!Coverage area: 100-300 ㎡
This jammer can only block GSM(2G) and GPS signals, and can't block cell phone 3G 4G signals Color sent by random: This jammer will be sent by random color (black/champagne), depending on the actual stock status!