Collins Mechanical Filters
for the IC-718
Single Filters & Dual Filters!


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One Board Filter
2300 Hz SSB and
300 or 500 Hz CW
Click here for Installation Manuals

for the IC-703 and IC-718.

OBF-ICOM-DIY-500
$249
Install Yourself
500 Hz Collins CW & SSB Filters

OBF-ICOM-I-500
$279
W4RT Installed
500 Hz Collins CW & SSB Filters

OBF-ICOM-DIY-300
$254
Install Yourself
300 Hz Collins CW & SSB Filters

OBF-ICOM-I-300
$284
W4RT Installed
300 Hz Collins CW & SSB Filters

The One-Board Filter (OBF) provides both factory-fresh Collins CW and SSB mechanical filters in your ICOM IC-718! The W4RT One Board Filter does what ICOM can not ... provide you both high-performance CW and SSB filters in teh same package. The SSB filter replaces the stock MuRata filter and the CW filter fills the OPTION filter slot. Available for you to install or to have W4RT install for you.

The performance improvement has been found by users to be remarkable.

One Plug Filter - CW
300 or 500 Hz


OPF-ICOM-CW-DIY-500
$114
Install Yourself
500 Hz Collins CW Filter

OPF-ICOM-CW-I-500
$144
W4RT Installed
500 Hz Collins CW Filter

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

OPF-ICOM-CW-DIY-300
$119
Install Yourself
300 Hz Collins CW Filter

OPF-ICOM-CW-I-500
$154
W4RT Installed
300 Hz Collins CW Filter

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

This 300 Hz or 500-Hz CW filter uses factory fresh Collins Mechanical Filters. Rather than the ICOM optional crystal, you can now have the excellent Collins filter. This filter allows the IC-718 radios to perform nicely in the CW modes, and is properly terminated for best performance in your radio. Available for you to install or to have W4RT install for you.

The performance improvement has been found by users to be remarkable.

One Plug Filter - SSB
2300 Hz
Click here for Installation Manuals

for the IC-703 and IC-718.

OPF-ICOM-SSB-DIY
$134
Install Yourself

OPF-ICOM-SSB-I
$164
W4RT Installed

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

This excellent SSB filter built by W4RT Electronics contains a factory-fresh 10-pole Collins Mechanical Filter having a 2.3-kHz bandwidth. 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. Available for you to install or to have W4RT install for you.

The performance improvement has been found by users to be remarkable.

—> Click on the Photo for More Information <—