I am currently experiencing RFI issues on 40 meters and below. Some, but not all, of these issues are due to the Power over ethernet (POE) switches that I am using. I have two POE switches and 2 Wir
See my advice on killing RX noise. k9yc.com/publish.htm It starts with replacing all SMPS with linear. How much current do you need? Does it need to be regulated? What frequencies are you concerned
I have used type 43 and 31 half inch s snap on cores. Wind at least 3 turns into the core. I used stranded cat 5e winds better. Fixed the carriers on the wire. _______________________________________
I've have used shielded cat 5 with very good results. The pre-made cables with shielded/ground connectors. See my advice on killing RX noise. k9yc.com/publish.htm It starts with replacing all SMPS
You didn't mention what kind of equipment, and I'm not sure why not, as the collection of anecdotes is somewhat helpful to others. I have measured some Ubiquiti access points (they come with 24V supp