DC line filter. To suppress noise from your switching mode power supply entering you rigs.
AC line filter. To filter RFI from AC line entering your switching mode power supply. 

These filter can be use with your radio’s power supply and also to filter any switching mode power supply that give noises to your radio. Example, your laptop battery charger. Better than snap on chokes or ferrites!!

By 9M2PJU

Amateur radio operator from Malaysia

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