Signalis
Surveillance Device Detector
Surveillance device detector for ALPR cameras, police tech, and hidden IoT devices. Scan WiFi, BLE, and detect surveillance equipment in your vicinity with real-time radar visualization.
Screenshots
Features
Multi-Protocol Scanning
WiFi network detection, Bluetooth Low Energy (BLE) beacons, and ESP32-S3 external scanner support. GPS integration for proximity tracking.
Smart Detection Engine
Sophisticated scoring system identifies surveillance devices via MAC OUI matching, BLE name patterns, WiFi SSID patterns, service UUIDs, and signal strength.
Intuitive Radar Display
Three-ring visualization showing device proximity (0-100m). Color-coded markers by manufacturer (Flock, Axon, Motorola, Vigilant). Real-time updates.
Customizable Settings
Sound/vibration alerts, screen flash warnings, adjustable confidence threshold, scan intervals, background scanning, and device filters by manufacturer.
ESP32-S3 External Scanner
USB-connected enhanced scanner with extended range, channel hopping, packet capture, and WiGLE API integration for power users.
Detailed Statistics
Track total scans, unique devices detected, confidence level breakdown, scan history, and session data for comprehensive analysis.
About Signalis
Signalis is a powerful surveillance detection app that scans for wireless surveillance devices in your vicinity. Whether you're concerned about police ALPR cameras, body cameras, or hidden IoT devices, Signalis provides real-time detection with an intuitive radar display and customizable alerts.
⚠️ Important: This app is for educational and awareness purposes. Users are responsible for complying with local laws regarding wireless scanning.
Use Cases
- Privacy Advocates & Activists: Monitor surveillance at protests, identify hidden cameras, document police surveillance deployment.
- Journalists & Researchers: Detect surveillance during sensitive interviews, document infrastructure, verify ALPR systems.
- Security Professionals: Conduct security assessments, identify unauthorized devices, perform RF environment sweeps.
- Tech Enthusiasts: Discover wireless devices, learn RF/BLE tech, explore ESP32-S3 hardware hacking.
Privacy & Data
No data transmission — all scanning happens locally. No analytics, no usage tracking. No internet required for core functionality. Voluntary WiGLE uploads are anonymized and can be disabled.
Get Signalis Today
Detect surveillance cameras & trackers with real-time radar. Educational privacy awareness tool.
Coming soon to app stores. Android users can sideload APK now.