RF Sentinel

Android app that passively scans Bluetooth and WiFi to flag nearby police and surveillance gear.

Mobile appfreeglobal

RF Sentinel is a free, open-source Android app that passively scans Bluetooth and WiFi signals to detect and identify nearby surveillance equipment, such as police body cameras, license-plate readers, drones and trackers, working fully offline with an Android Auto live map. It is aimed at privacy-conscious individuals who want a free alternative to paid counter-surveillance scanner apps.

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