Pick the Choke that's right for you

Ideal for multi-band antennas.  

This broadband Common Mode Choke provides a Common Mode Rejection Ratio (CMRR) of up to 55 dB.  CMRR is always greater than 41 dB across the entire HF spectrum. Inherent Loss is very low: 0.01 dB on 160 meters and 0.08 dB on 10 meters.  Loss is so small it has no effect on signal strength.

Suitable for outdoor use.

Best for single band 80 meter antennas.  Best for antennas that cover any combination of the 160, 80, and 40 meter bands.  

This Heavy Duty (multiple cores) Common Mode Choke is optimized for the 80 meter band. It is also very effective on 160 and 40 meters. It provides a Common Mode Rejection Ratio (CMRR) of 62 dB on 80 meters, as well as extremely low Inherent Loss. Loss is so small it has no effect on signal strength. 

Suitable for use outdoors.

Best for single band 160 meter antennas.

This Heavy Duty (multiple cores) Common Mode Choke is optimized for the 160 meter band.  It provides a Common Mode Rejection Ratio (CMRR) of 60 dB on 160 meters, as well as extremely low Inherent Loss.  Loss is so small it has no effect on signal strength.

Suitable for use outdoors.