Jammer, Drone Detector, Jammer Module manufacturer / supplier in China, offering 10-Channel 2g 3G 4G Mobile Phone GSM Locator GPS Bluetooth Wi-Fi Signal Jamming Device Convenient Jammer, 8-Band Handheld Portable Model with a 40-Meter Range, 2g, 3G, 4G, 5g Mobile Phone Signal Shielding and Interference Suppressor Device, Shield GPS Positioning, Beidou Positioning, Base Station Positioning, Anti-Positioning Monitoring Recording and so on.