RF Sentinel (RFSentinel): free, open-source police detector app for Android. Spots police body cams, Flock ALPR cameras, AirTag trackers, Remote ID drones, smart glasses and fake cell towers from Bluetooth LE and WiFi. No root.
android privacy wifi bluetooth-low-energy sdr rtl-sdr android-auto tetra alpr anti-surveillance police-scanner remote-id drone-detection airtag body-camera counter-surveillance surveillance-detection flock-safety tracker-detection police-detector
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Updated
Nov 14, 2026 - Kotlin