> For the complete documentation index, see [llms.txt](https://gsm.learn-telecom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gsm.learn-telecom.com/gsm-channels/signalling-channels/dedicated-channels.md).

# Dedicated Channels

Bi Directional Channels

### TCH/F - Traffic Channel Fullrate

bit rate of 22.8 kbps

### TCH/H - Traffic Channel Halfrate

bit rate of 11.4 kbps

###