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SiK Telemetry Radio — Copter documentation - ArduPilot
https://ardupilot.org/copter/docs/common-sik-telemetry-radio.html
Overview¶. A SiK Telemetry Radio is a small, light and inexpensive open source radio platform that typically allows ranges of better than 300m “out of the box” (the range can be extended to several kilometres with the use of a patch antenna on the ground). The radio uses open source firmware which has been specially designed to work well with MAVLink packets and to be …
Telemetry (landing page) — Copter documentation - …
https://ardupilot.org/copter/docs/common-telemetry-landingpage.html
Telemetry (landing page)¶. Telemetry (landing page) Copter/Plane/Rover support sharing information with a ground station (or transmitter) using telemetry. Follow the links below for configuration information based upon your set-up.
LTM Telemetry — Plane documentation - ArduPilot
https://ardupilot.org/plane/docs/common-ltm-telemetry.html
Lightweight TeleMetry protocol (LTM) is one-way communication protocol - data downlink from vehicle - that allows you to send most important vehicle data at low band-width / low baud rate, usually at 2400 bauds. Protocol was introduced by KipK and is used in his Ghetto Station. Typical use-case is antenna tracking when serial telemetry data ...
Feature request: Audio telemetry · Issue #863 · ArduPilot ...
https://github.com/ArduPilot/ardupilot/issues/863
Additionally this could reduce the complexity and weight of running an antenna tracker setup, requiring the vehicle to have one less antenna and replacing the telemetry module with a wire into the video TX. On the ground side there wouldn't need to be an antenna for the telemetry if the APM or pixhawk on the ground can decode the audio.
Video Transmitter Support — Plane documentation - …
https://ardupilot.org/plane/docs/common-vtx.html?highlight=smartaudio
CRSF (Crossfire)¶ CRSF is a bi-directional protocol that requires both TX and RX of a serial port to be connected. Follow the instructions for CRSF telemetry to setup CRSF support (See Team Black Sheep RC Systems).If you only wish to use CRSF for VTX support, then (again using SERIAL5 as an example) SERIAL5_PROTOCOL should be set to 29 rather than 23.
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