One of the main features of RadioCom is that you do NOT need any extra level converter, sound card interface, or any other expensive multi mode interface.
RadioCom-RX with IC-SWL = for ICOM PCR-1000 + 100
RadioCom-RX/TX with RC-HAM = including TX option for TRX (see RC-Rigs Supported) (RX+TRX)