Stats Bar Icons

POCSAG messages decoded

FLEX messages decoded

Total messages received

Unique sensors detected

Device types found

Satellites monitored

WiFi Access Points

Connected WiFi clients

Captured handshakes

Detected drones (click for details)

Rogue APs (click for details)

Bluetooth devices

BLE beacons / APRS stations

Mode Tab Icons

Pager - POCSAG/FLEX decoder

433MHz - Sensor decoder

Meters - Utility meter decoder

Aircraft - ADS-B tracking & history

Vessels - AIS & VHF DSC distress

APRS - Amateur radio tracking

Waterfall - SDR receiver + signal ID

Spy Stations - Number stations database

Meshtastic - LoRa mesh networking

WebSDR - Remote SDR receivers

SubGHz - Sub-GHz signal analysis

WiFi - Network scanner

Bluetooth - BT/BLE scanner

BT Locate - Bluetooth device locator

WiFi Locate - WiFi AP locator

TSCM - Counter-surveillance

Satellite - Pass prediction

ISS SSTV - Space station image decoder

Weather Sat - NOAA & Meteor imagery

HF SSTV - Shortwave image decoder

GPS - GNSS signal analysis

Space Weather - Solar & geomagnetic data

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

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

Spectrum Waterfall 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

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 Spectrum Waterfall mode

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

WebSDR Mode

Access remote WebSDR receivers around the world
Listen to shortwave, amateur, and broadcast stations without local SDR hardware
Browse available public WebSDR servers by location and frequency range
Useful for monitoring HF bands from different geographic locations

SubGHz Mode

Analyzes sub-GHz radio signals (common ISM bands: 315, 433, 868, 915 MHz)
Captures and decodes wireless remote controls, key fobs, and IoT devices
Protocol identification and signal analysis
Useful for RF security research and device testing

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

ACARS Mode

Decodes Aircraft Communications Addressing and Reporting System messages via acarsdec
Receives operational, weather, and position reports on 129-136 MHz
Supports North America, Europe, and Asia-Pacific regional frequency presets
Filter by message type, flight ID, or aircraft registration

VDL2 Mode

Decodes VHF Data Link Mode 2 aircraft datalink messages via dumpvdl2
Captures ACARS-over-AVLC frames with full signal analysis (SNR, burst length)
Monitor multiple VDL2 frequencies simultaneously (136.725, 136.775, 136.975 MHz)
Export captured messages to CSV or JSON for offline analysis

ISS SSTV Mode

Decodes Slow Scan Television (SSTV) images from the International Space Station
Automated ISS pass tracking with Doppler correction on 145.800 MHz
Images decoded in real-time using the built-in pure Python decoder
Gallery view with timestamped decoded images

Weather Sat Mode

Receives weather satellite imagery from NOAA APT and Meteor M2 LRPT
Uses SatDump for satellite signal processing and image decoding
Automated pass prediction and scheduling
Decoded images displayed in gallery with pass metadata

HF SSTV Mode

Decodes Slow Scan Television images from HF amateur radio bands
Common SSTV frequencies: 14.230 MHz (20m), 7.171 MHz (40m), 3.730 MHz (80m)
Supports multiple SSTV modes (Martin, Scottie, Robot, etc.)
Real-time image decoding with gallery view

GPS Mode

GNSS signal analysis and satellite constellation tracking
Displays GPS, GLONASS, Galileo, and BeiDou satellite positions
Signal strength visualization and fix quality metrics
Useful for evaluating GNSS reception and interference

Space Weather Mode

Real-time solar and geomagnetic data from NOAA SWPC, NASA SDO, and HamQSL
Solar indices (SFI, Kp, A-index, sunspot number) and NOAA G/S/R scales
HF band conditions, X-ray flux, solar wind speed, and flare probability
Solar imagery (SDO 193/304/Magnetogram), D-RAP absorption maps, aurora forecast
No SDR hardware required — all data from public APIs

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

BT Locate Mode

Locate and track specific Bluetooth devices by signal strength
Directional signal strength indicator for physical device finding
Detects known tracker signatures (AirTag, Tile, SmartTag)
Useful for finding lost devices or detecting unwanted trackers

WiFi Locate Mode

Locate a WiFi access point by BSSID using real-time signal strength
Big dBm meter, 20-segment signal bar, and RSSI history chart
Distance estimation using log-distance path loss model with environment presets
Audio proximity tones that speed up as signal strengthens
Hand off from WiFi mode — click "Locate" on any network in the detail drawer
Deep scan auto-starts if not already running

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

Network Monitor

Aggregates data from multiple remote INTERCEPT agents
View all WiFi, Bluetooth, ADS-B, AIS data in one unified view
Real-time streaming via Server-Sent Events (SSE)
Location estimation using multi-agent trilateration
Manage agents at /controller/manage

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
Spectrum Waterfall: RTL-SDR or SoapySDR-compatible hardware
Spy Stations: Internet connection (database lookup)
Meshtastic: Meshtastic LoRa device, pip install meshtastic
WebSDR: Internet connection (remote receivers)
SubGHz: RTL-SDR or compatible SDR hardware
Satellite: Internet for Celestrak (optional), skyfield
ACARS: RTL-SDR, acarsdec
VDL2: RTL-SDR, dumpvdl2
ISS SSTV: RTL-SDR (pure Python decoder — no external tools needed)
Weather Sat: RTL-SDR, SatDump
HF SSTV: RTL-SDR or SoapySDR-compatible hardware (pure Python decoder)
GPS: RTL-SDR or GPS-capable SDR
Space Weather: Internet connection (public APIs)
WiFi: Monitor-mode adapter, aircrack-ng suite
Bluetooth: Bluetooth adapter, bluez (hcitool/bluetoothctl)
BT Locate: Bluetooth adapter, bluez
WiFi Locate: WiFi adapter (monitor mode), aircrack-ng suite
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