ExecDefense USA Wearable Drone Detector Model 4 Radio Spectrum Analyzer. 55 km (1.553.1 mile) range. Provides real-time alerts via visual vibration / audio signals. Detects drone signals across 1.2 2.4 or 3.3 and 5.8 GHz frequency bands. Directional antenna detects direction of enemy drone. Can also intercept video signals from FPV drones. Specifications for ExecDefense USA Wearable Drone Detector Model 4: Manufacturer: ExecDefense USA Color: Black Features of ExecDefense USA Wearable Drone Detector Model 4 Built-in screen Real-time alerts (visual vibration audio) Directional antenna FPV drone video feed interception Noise filtering via RF signal fingerprint check and FPV-only mode Adjustable sensitivity Short signal/WiFi/Bluetooth filtering to minimize false alerts Mobile app for spectrum viewing/analysis 100percent anodized aluminum casing (12 mm thickness) Armored polycarbonate screen w/protective film Waterproof SMA and 3.5-mm audio jack connectors Package Contents: ExecDefense USA Wearable Drone Detector Model 4 ExecDefense USA E-DD-4: Wearable Drone Detector Model 4 Radio Spectrum Analyzer