> 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/traffic-channels/tch-h.md).

# TCH/H

Half rate traffic channel (TCH/H). This channel carries information at a gross rate of 11,4 kbit/s.