> For the complete documentation index, see [llms.txt](https://docs.redlabs.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.redlabs.cloud/2g-gsm/bts.md).

# BTS

```
sudo vi /etc/osmocom/osmo-bts.cfg
```

```
phy 0
 instance 0
  osmotrx rx-gain 1
 osmotrx ip local 127.0.0.1
 osmotrx ip remote 127.0.0.1
bts 0
 band 1800
 ipa unit-id 1800 0
 oml remote-ip 127.0.0.1
 trx 0
  phy 0 instance 0
```