> For the complete documentation index, see [llms.txt](https://headtracker.gitbook.io/head-tracker-v2.2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://headtracker.gitbook.io/head-tracker-v2.2/getting-started/wiring/option-2-wired/serial-bus-sbus.md).

# Serial Bus (SBUS)

If your radio supports SBUS trainer input, this is the recommended choice. SBUS is digital fast and supports 16 channels.

SBUS trainer isn't supported on many radios. But if you have an OpenTX/EdgeTX radio you might be in luck. Below are two known working radios, others should be similar.

{% content-ref url="/pages/-Md5ygea73fnWkUEYu8s" %}
[Radio Master TX16S Setup](/head-tracker-v2.2/getting-started/wiring/option-2-wired/serial-bus-sbus/radio-master-tx16s-setup.md)
{% endcontent-ref %}

{% content-ref url="/pages/-Md5zP-H7aUu\_NBH11Ur" %}
[FrSky Taranis X9D](/head-tracker-v2.2/getting-started/wiring/option-2-wired/serial-bus-sbus/frsky-taranis.md)
{% endcontent-ref %}