Update README.md

README.md

@@ -29,6 +29,7 @@ It does not deal with radio management, modulation, etc, it is up to your modem
 - Android 5.0, 5.1, 6.0 (API 21, 22, 23)
   - Separate apk package is released with "legacy" suffix from legacy branch
 - Modem, radio module or transceiver which supports [KISS protocol](https://en.wikipedia.org/wiki/KISS_(TNC)) or can process KISS or raw Codec2 audio frames over serial Bluetooth, BLE, USB or TCP/IP
+- Analog transceiver with built-in or external USB audio adapter and VOX or USB CAT PTT control (such as MCHF or iCom IC-7x00 series)
 
 # Dependencies
 - Source code is integrated into this project for easier building and customization: