Features:
4 levels of Noise Cancellation
Single Button Operation
Low power consumption
Low distortion to audio signal
Retain the FT-817's internal Battery pack
Can be used with optional filters
Completely internal fitting - no flying leads
Visual and audible indication of filter level.
2 demonstration modes

HEAR IT DSP MODULE for the Yaesu FT-817.
Now you can have the HEAR IT DSP noise cancellation technology in you FT-817!

Tone reduction:
Note:
The fitting of the HEAR IT DSP MODULE involves the removal of small surface
mount components and the drilling out of the transceivers' lid. This should
only be carried out by a qualified engineer. GAP accepts no responsibility for
the fitting or installation of the HEAR IT DSP MODULE and are not liable for
any damage to equipment caused by its fitment.