Collins Mechanical Filters
for the FT-817(ND), FT-857(D) & FT-897(D)


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One Plug Filter - CW
300 & 500 Hz
Click here to view additional information about this filter.  Also has a link to the K9QI article on this filter.

OPF-Y-CW-500
  $114
500 Hz Collins CW Filter

OPF-Y-CW-300 $119
300 Hz Collins CW Filter
Great for CW & PSK CONTESTS

OPF-Y-BOTH-500 $244
Buy both the CW & SSB Filters
500 Hz Collins CW Filter

OPF-Y-BOTH-300 $249
Buy both the CW & SSB Filters
300 Hz Collins CW Filter

Improve your CW and PSK operating experience with the 300 Hz or 500-Hz CW filter using factory-fresh Collins Mechanical Filter. Essentially identical to the Yaesu YF-122C and YF-122CN. These filters allow the FT-817(ND), 857(D), 897(D) to perform nicely in the CW and PSK modes. The 300-Hz is often preferred by CW and PSK CONTEST operators. This filter is properly terminated for best performance in your radio. Easy to install. Just remove the cover and set the menu as explained in the FT-817(ND), FT-857(D), & 897(D) Manuals.

Click here or on the photo for
more information about this product.

Click here to see how to install
the filter in the FT-817(D),
which is similar to the FT-857/897

One Plug Filter - SSB
2300 Hz
Click here to view additional information about this filter.  Also has a link to the K9QI article on this filter.

OPF-Y-SSB $134

OPF-Y-BOTH-500 $244
Buy both the CW & SSB Filters
500 Hz Collins CW Filter

OPF-Y-BOTH-300 $249
Buy both the CW & SSB Filters
300 Hz Collins CW Filter

This excellent filter built by W4RT Electronics for the FT-817(ND), 857(D), 897(D) contains a factory-fresh 10-pole Collins Mechanical Filter essentially identical in performance to that Yaesu uses in the YF-122S optional 2.3-kHz SSB filter. Tests have demonstrated that a 2-dB improvement in talk power can be realized by using this filter rather than the stock MuRata ceramic filter. "Hearing" is also improved. Easy to install. Just remove the cover and set the menu as explained in the FT-817(ND), FT-857(D), & 897(D) Manuals.

Click here or on the photo for
more information about this product.

Click here to see how to install
the filter in the FT-817(D),
which is similar to the FT-857/897

—> Click on the Photo for More Information <—