Signal Jammer Moduel manufacturer / supplier in China, offering V3 Vehicle-Mounted Built-in Antenna with OBD Charging, Never Power off, Universal Accessories for Mortgaged Cars, Anti-Chase Host, Wholesale 400-500 400-600MHz RF Amplifiers 50W Jamming Antidrone System for Uav Drone Jammer Module, Multi-Band100W Jamming Blocker RF Module Anti-Remote Control 900-1000MHz 433MHz 2.4G 700-1000MHz 5.8g Drone Fpv Jam Uav and so on.