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 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 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
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