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Car GPS signal jammer cannot shield cell phone signal

Beharel Marie-Helene B. October 03, 2020 10:30

The mobile phone jammer shields the signal of the mobile phone card, that is, the base station signal, and the GPS jammer shields the GPS positioning signal. Summary: Mobile phone signal and GPS shielding are not in the same frequency band. So the cell phone signal will not be blocked. GPS and mobile phones emit different frequencies, so devices that shield GPS will not affect the use of mobile phones, and mobile phones can still communicate and surf the Internet normally. However, the current positioning is not only through GPS, but also through Beidou and base stations, so it will choose to shield both the mobile phone and GPS signals. If it is this kind of equipment, the mobile phone cannot be used normally.

The gps blocker is relatively small and has its own lithium battery, which can work for several hours even when the power is off. You can even carry a six-antenna or eight-antenna jammer with you to isolate the influence of external signals when negotiating in some private situations. At the same time, the mobile phone signal jammer cannot shield the GPS signal. The standard mobile phone signal jammer can shield all the 2G 3G 4G signals and 2.4G WIFI signals and Bluetooth signals under all three operators of China Mobile, China Unicom and Telecom. The principle is to interfere with the mobile phone receiving base station and wireless router through its own frequency. The frequency emitted, so as to achieve the purpose of shielding.

The GPS frequency is not in it, so the mobile phone signal jammer will not shield the GPS. In addition to GPS, the positioning signals on the vehicle include Beidou positioning and base station positioning. So if you want to shield all the positioning equipment on the car, you need to shield all these three signals. This type of jammer is available on the market.