@VirtualBrown " "I've tried loads of fixed including adding ferrite cores to all the power cables which are plugged into the wall sockets" Can you provide a link to the ferrite cores you used and...

@Carl I think perhaps we have wandered off topic. Yes, we should all agree that there is usually a difference between the listed "Link Rate" and what actually happens. When I subscribe to 500mb...

@Carl Great. This is exactly what I wanted. Here are the followup questions: "How does the customer mitigate this interference?" My "plan" is to isolate these sources of interference by plugging a...

@Carl Another question for the engineers. Is there any value in using one of the EMI Meter devices, such as the ones by Alpha Labs If spending $160 would allow me to measure the effect of adding EMI...

@Carl If you happen to speak to an "engineer who knows things", maybe you could ask what HIS priority wouldl be for reducing electrica noise. Where would he start, and what would he leave to last?...

@Carl Thanks for the tip. I have been "over thinking" this, haven't I. As long as the surge protector claims "noise reduction", that means it has more then just the surge suppressor thyristors. Back...