GPS jammer uses a single channel output with a range of 10-20 meters. Moreover, the portable optional GPS 4G mobile phone jammer has a high-quality design. Hand-held mobile phone GPS jammer is designed with multiple antennas, so it can cut off all 2G 3G 4G mobile phones and GPSL1 signals at the same time. In the working area, all GPS equipment signals are prohibited, and all GPS positioning terminals are isolated from the outside world.
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