The ACK-540RF is reported to be fully compatible with ControllerMate.
The cmate file removes numerous generic controls that don't exist on the device. It also hides the “Consumer Controls” portion of the device.
2.4G USB RF KeyBoard (KeySonic) 1455:1032:12:1 (0100) 2.4G USB RF KeyBoard (KeySonic) 1455:1032:1:2 (0100) 2.4G USB RF KeyBoard (KeySonic) 1455:1032:1:6 (0100)