Receives and displays aircraft traffic data on map from ADS-B receivers (e.g., Stratux) which support GDL 90 protocol. It also includes an attitude and heading reference system (AHRS) including airspeed, altitude, and heading as well as display of METAR/TAF (one-time unlock necessary). Please check your region for weather data reception availability first) before purchasing unlock data feature. Requires GDL 90 data to be sent to (default) port 4000 via UDP (can be changed in settings). Works entirely independent from internet connection and with ADS-B receiver only.