> For the complete documentation index, see [llms.txt](https://docs.jtokenapp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jtokenapp.com/4k-extender/specification/interfaces.md).

# Interfaces

## &#x20;Interfaces(Transmitter) <a href="#transmitter-fa-she-ji-jie-kou-tu" id="transmitter-fa-she-ji-jie-kou-tu"></a>

![](https://1365490052-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MSuXtAkXTNK6UHKmxKC%2F-MTxYrQYGibr1WlC2OpW%2F-MTxdszNrY8aQsUbfxCv%2FTX_Interface.png?alt=media\&token=59211b05-4df9-42ce-a91a-71bb7fe2900a)

## &#x20;Interfaces(Receiver) <a href="#transmitter-fa-she-ji-jie-kou-tu" id="transmitter-fa-she-ji-jie-kou-tu"></a>

![](https://1365490052-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MSuXtAkXTNK6UHKmxKC%2F-MTxYrQYGibr1WlC2OpW%2F-MTxdyryoXvVuwRHTa8g%2FRX_Interface.png?alt=media\&token=6a8f48c7-fec2-46ac-92cf-d6a79ea321fc)