These detect radio frequencies and pinpoint hidden transmitters (cameras, bugs, GPS trackers).
- HackRF One + SDR Software
- A software-defined radio that allows you to scan a wide RF spectrum.
- Can be used with GQRX, SDR#, or Universal Radio Hacker.
- Aaronia Spectran V5
- Military-grade spectrum analyzer.
- Real-time detection from 9 kHz up to 20 GHz.
- Can locate burst transmissions and frequency hopping devices.
- TSCM-grade Detectors (used by counter-surveillance pros):
- REI ANDRE – Advanced near-field RF detector for burst and low-power transmitters.
- WAM-X25 Wideband RF Detector – Detects 0–14 GHz, GPS, Bluetooth, cellular, and RF bugs.
📷 Optical & Camera Lens Detection
- REI ORION 2.4 HX
- Detects hidden optical lenses using ultra-bright LEDs and lens reflection technology.
- Used by law enforcement for high-confidence sweeps.
- FLIR ONE Pro / FLIR E-Series
- Thermal imaging cameras to detect heat signatures from hidden electronics in walls, ceilings, etc.
- Useful for finding hidden cameras or GPS trackers behind objects.
📡 Cellular, GPS, Bluetooth & Wi-Fi Monitoring
- Flipper Zero + Wi-Fi Devboard
- Portable hacking tool that can detect, clone, and monitor wireless signals.
- Can scan for hidden Wi-Fi networks, analyze IR signals, and read RFID/NFC.
- WiFi Pineapple by Hak5
- Used for Wi-Fi auditing.
- Can detect rogue access points, hidden SSIDs, and spoofed networks.
- BlueHydra / Ubertooth One
- Bluetooth detection and analysis (great for finding AirTags, smartwatches, covert BLE trackers).
- Zigbee & IoT Protocol Scanners
- Tools like KillerBee can detect Zigbee devices (used in smart home spying).
🚗 Advanced Vehicle Tracker Detection
- REI CPM-700 Deluxe
- Professional-grade RF and magnetic field detector.
- Identifies vehicle trackers, GSM bugs, and body wires.