The Serial Modem contains the Serial Modem application for nRF91-based devices, and is built on nRF Connect SDK (NCS). It includes host examples in the form of the Serial Modem AT Client library and the Serial Modem AT Client Shell sample.
You can find the documentation in the [Serial Modem] (https://docs.nordicsemi.com/bundle/addon-serial_modem-latest/page/index.html) documentation.
Serial Modem release plan looks as follows:
- v0.3.0: 19-Dec-2025
- Aligns with NCS 3.2.0 release meaning SM v0.3.0 will be released 1-10 days after the NCS
- v1.0.0: 20-Feb-2026
- Official Serial Modem release after which changes in v1.x.x releases are backwards compatible