Update README.md

README.md

@@ -59,5 +59,7 @@ This minimalistic Android application is a digital voice frontend for your radio
   - Default codec2 bitrate on startup
   - Settings for parrot mode
   - Settings for QSO log
-- Modem profiles, so different modems could be controlled from the UI with KISS command extensions, so that user can change frequency, modulation scheme or other modem parameters on the fly from the user interface
+- Modem profiles, so different modems could be controlled from the UI with KISS command extensions, so that user can change frequency/channel, modulation scheme, modem speed or other modem parameters on the fly from the user interface
+  - Rig/radio module control by using KISS command extensions
+  - HC-12 module control by using AT commands
 - Investigate support for other non-KISS frame formats and protocols, switcheable from the UI