Drone Defense, Drone Detection manufacturer / supplier in China, offering Omnitracker Xr-8: 360° Multi-Sensor Uav Detection Suite with 1-8km RF/Radar Hybrid Surveillance, Upgraded Handheld Uav Detection Portable Anti-Drone Detector Full Band Radio Scanner Intruder Alarm Against Fpv Racing Drone Spectrum Analysis, Handheld Drone Detector 300-6000MHz Full Frequency Scanner Long Distance Uav Detection Low False Alarm Intruder Early Warning Screen-off Function and so on.