Mobile Station RFI Kits

Power Pole DC Power Cord RFI/Noise Filter - up to 30dB Noise Reduction, 45 Amp Connectors

SKU PPNF-3
$34.95
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Power Pole DC Power Cord RFI/Noise Filter - up to 30dB Noise Reduction, 45 Amp Connectors
Product Details
MPN: PPNF-3
Country/Region of Manufacture: USA

Simple DC Power Cord Noise Filter Choke with Power Pole Plugs

The simplest, most cost effective DC power cord noise filter is a ferrite ring installed as shown in the picture (at the radio/device DC input) to stop DC feedback radiation back into the DC power line or into the radio/appliance to suppress common mode power line noise current on the DC power cord or to suppress common mode noise present on the power lines from degrading the performance of the attached device.


These chokes are cheap, easy solution for RFI issues. Just replace your existing power cord with these prewound cables and enjoy interference free operation.




Mobile RFI kits work two ways: They suppress RFI from on board computers and other sensing/control devices in your vehicle that may cause your radio to be a VICTIM of RFI, and second they suppress RFI generated by your radio as a SOURCE which may affect your on board computers or other devices.  Mobile operations of HF radios (1-30 Mhz) tend to experience more RFI effects than VHF/UHF mobile stations.  If you have both HF and VHF installations in your vehicles, you may need both kits.

To address separate solutions we have developed two separate RFI kits: one for HF (1.8-300 MHz) mobile installations and another for VHF/UHF (30-1000 MHz) mobile installations.  Each kit uses the appropriate ferrite mix for the frequency range desired.