"RS-R30A" is a remote control application for the ICOM Wideband Communications Receiver "IC-R30." You can operate and change settings by using an Android device. Device requirements: - Android 5.0 or later - Bluetooth function Supported receiver: Icom IC-R30 Refer to the instruction manual for details. NOTE: The RS-R30A may not work with all Android devices, even if it is one of the tested devices. This is because an application program on your device may conflict with the RS-R30A. Conf