Pager Mode

• Decodes POCSAG and FLEX pager signals using RTL-SDR
• Set frequency to local pager frequencies (common: 152-158 MHz)
• Messages are displayed in real-time as they're decoded
• Use presets for common pager frequencies

433MHz Sensor Mode

• Decodes wireless sensors on 433.92 MHz ISM band
• Detects temperature, humidity, weather stations, tire pressure monitors
• Supports many common protocols (Acurite, LaCrosse, Oregon Scientific, etc.)
• Device intelligence builds profiles of recurring devices

Utility Meter Mode

• Decodes utility meter transmissions (water, gas, electric) using rtlamr
• Supports ERT protocol on 912 MHz (North America) or 868 MHz (Europe)
• Displays meter IDs and consumption data in real-time
• Supports SCM, SCM+, IDM, NetIDM, and R900 message types

Aircraft (Dashboard)

• Opens the dedicated ADS-B Dashboard for aircraft tracking
• Features radar scope, map view, airband audio, and ACARS decoding
• Optional history mode persists data to Postgres for long-term analysis
• Access history dashboard at /adsb/history

Vessels (Dashboard)

• Opens the AIS Dashboard for maritime vessel tracking
• Displays vessel name, MMSI, callsign, destination, and navigation data
• VHF DSC Channel 70: Monitors maritime distress frequency (156.525 MHz)
• Decodes DSC messages: Distress, Urgency, Safety, and Routine calls
• MMSI country identification via Maritime Identification Digits (MID)
• Visual alerts for DISTRESS and URGENCY messages with map markers

Spy Stations

• Database of number stations and diplomatic HF networks
• Browse stations from priyom.org with frequencies and schedules
• Filter by type (number/diplomatic), country, and mode
• Famous stations: UVB-76 "The Buzzer", Cuban HM01, Israeli E17z
• Click "Tune" to listen via Listening Post mode

APRS Mode

• Decodes APRS (Automatic Packet Reporting System) on VHF
• Tracks amateur radio operators transmitting position data
• Regional frequencies: 144.390 MHz (N. America), 144.800 MHz (Europe)
• Uses Direwolf or multimon-ng for packet decoding
• Interactive map shows station positions in real-time

Satellite Mode

• Track satellites using TLE (Two-Line Element) data
• Add satellites manually or fetch from Celestrak by category
• Categories: Amateur, Weather, ISS, Starlink, GPS, and more
• View next pass predictions with elevation and duration

WiFi Mode

• Requires a WiFi adapter capable of monitor mode
• Click "Enable Monitor" to put adapter in monitor mode
• Scans all channels or lock to a specific channel
• Detects drones by SSID patterns and manufacturer OUI
• Rogue AP detection flags same SSID on multiple BSSIDs
• Click network rows to target for deauth or handshake capture

Bluetooth Mode

• Scans for classic Bluetooth and BLE devices
• Shows device names, addresses, and signal strength
• Manufacturer lookup from MAC address OUI
• Radar visualization shows device proximity

Listening Post Mode

• Wideband SDR scanner with spectrum visualization
• Tune to any frequency supported by your SDR hardware
• AM/FM/USB/LSB demodulation modes
• Bookmark frequencies for quick recall
• Quick tune presets for emergency and marine channels

TSCM Mode

• Technical Surveillance Countermeasures sweep
• Scans for unknown RF transmitters, WiFi devices, Bluetooth
• Baseline comparison to detect new/anomalous devices
• Threat classification: Critical, High, Medium, Low
• Useful for security audits and bug sweeps
• Note: This feature is in early development

Meshtastic Mode

• Integrates with Meshtastic LoRa mesh network devices
• Connect Heltec, T-Beam, RAK, or other compatible devices via USB
• Real-time message streaming with RSSI and SNR metrics
• Configure channels with encryption keys
• View connected nodes and message history
• Requires: Meshtastic device + pip install meshtastic

ISS SSTV Mode

• Decode Slow-Scan Television images from the International Space Station
• ISS transmits on 145.800 MHz FM during special ARISS events
• Real-time ISS tracking map with ground track overlay
• Next-pass countdown with elevation and duration predictions
• Optional Doppler shift compensation for improved reception
• Requires: RTL-SDR (no external decoder needed - built-in Python SSTV decoder)

HF SSTV Mode

• Decode terrestrial SSTV images on HF/VHF/UHF amateur radio frequencies
• Predefined frequencies: 14.230 MHz USB (20m, most popular), 3.845/7.171 MHz LSB, and more
• Supports USB, LSB, and FM demodulation modes
• Auto-detects correct modulation when selecting a preset frequency
• HF frequencies (below 30 MHz) require an upconverter with RTL-SDR
• Requires: RTL-SDR (+ upconverter for HF, no external decoder needed)

Monitor Mode

• Enable Monitor: Puts WiFi adapter in monitor mode for passive scanning
• Kill Processes: Optional - stops NetworkManager/wpa_supplicant (may drop other connections)
• Some adapters rename when entering monitor mode (e.g., wlan0 → wlan0mon)

Handshake Capture

• Click "Capture" on a network to start targeted handshake capture
• Status panel shows capture progress and file location
• Use deauth to force clients to reconnect (only on authorized networks!)
• Handshake files saved to /tmp/intercept_handshake_*.cap

Drone Detection

• Drones detected by SSID patterns (DJI, Parrot, Autel, etc.)
• Also detected by manufacturer OUI in MAC address
• Distance estimated from signal strength (approximate)
• Click drone count in stats bar to see all detected drones

Rogue AP Detection

• Flags networks where same SSID appears on multiple BSSIDs
• Could indicate evil twin attack or legitimate multi-AP setup
• Click rogue count to see which SSIDs are flagged

Proximity Alerts

• Add MAC addresses to watch list for alerts when detected
• Watch list persists in browser localStorage
• Useful for tracking specific devices

Client Probe Analysis

• Shows what networks client devices are looking for
• Orange highlights indicate sensitive/private network names
• Reveals user location history (home, work, hotels, airports)
• Useful for security awareness and pen test reports

General Tips

• Collapsible sections: Click any section header (▼) to collapse/expand
• Sound alerts: Toggle sound on/off in settings for each mode
• Export data: Use export buttons to save captured data as JSON
• Device Intelligence: Tracks device patterns over time
• Theme toggle: Click the theme button in header to switch dark/light mode
• Settings: Click the gear icon in the header to access settings
• Offline mode: Enable in Settings to use local assets without internet

Keyboard Shortcuts

• F1 - Open this help page
• ? - Open help (when not typing in a field)
• Escape - Close help and modal dialogs

Requirements

• Pager: RTL-SDR, rtl_fm, multimon-ng
• 433MHz Sensors: RTL-SDR, rtl_433
• Utility Meters: RTL-SDR, rtl_tcp, rtlamr
• Aircraft (ADS-B): RTL-SDR, dump1090 or rtl_adsb
• Aircraft (ACARS): Second RTL-SDR, acarsdec
• Vessels (AIS): RTL-SDR, AIS-catcher
• APRS: RTL-SDR, direwolf or multimon-ng
• Satellite: Internet for Celestrak (optional), skyfield
• WiFi: Monitor-mode adapter, aircrack-ng suite
• Bluetooth: Bluetooth adapter, bluez (hcitool/bluetoothctl)
• Listening Post: RTL-SDR or SoapySDR-compatible hardware
• TSCM: WiFi adapter, Bluetooth adapter, RTL-SDR (all optional)
• Run as root/sudo for full hardware access

Legal Notice

• Only use on networks and devices you own or have authorization to test
• Passive monitoring may be legal; active attacks require authorization
• Check local laws regarding radio frequency monitoring