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   WR-G305i Receiver Options
The following hardware option is available for the WR-G305i receiver:

Wide-FM option (WR-G305-WFM)


Wide FM Option

Professional Demodulator with Wide-FM option activated.

With the standard G305 receiver, the FMW mode button is disabled and the wide FM demodulation mode is not available. This is because wide FM demodulation is not possible to be provided as part of the G305 software-defined radio system, within the constraints imposed by the processing power of a standard personal computer.

However, wide-band FM demodulation capability is available as a factory-installed option. This is in fact a self-contained "hardware-defined" receiver which shares only the main receiver's front-end and first mixer, but has an independent wide-band analog processing circuit with a conventional "hardwired" demodulator.

If the Wide FM Option is installed, the FMW button becomes active. The demodulator spectrum display shows real-time spectrum of the demodulated audio. In the Professional Demodulator there is a user-definable audio filter, displayed superimposed over the audio spectrum and graphically adjustable.