MAVLink (OSD/Telemetry)


The telemetry 1 port defaults to 57600 baud, 8N1 and transmits a MAVLink stream.


The MAVLink settings default to OSD mode at 57600 baud.

The drop-down menu for the SYS_COMPANION parameter is used to set the optimal mode depending on the application scenario.

  • Companion computer mode at 921600 baud
  • Companion computer mode at 57600 baud
  • OSD mode at 57600 baud
  • Command / RC input mode (receive only) at 57600 baud
  • Normal telemetry mode at 57600 baud

OSD mode defines the MAVLink stream required by OSD (set of activated messages & their rates). The other modes are for other specific hardware (e.g. ESP8266 for WiFi), and use the optimal baud rate settings for their link.

QGC Telemetry Setup

© PX4 Dev Team. License: CC BY 4.0            Updated: 2018-09-19 17:51:39

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