Anyone else have a problem with emc test with the hdmi outputs of the raspberry pi?

I’m on my 3rd iteration of trying to pass emi but the pi module keeps taking whatever frequency the monitor uses and hitting me with multiple harmonics.

I’ve put a few ferrites on the Hindi cable and barely passes.

We’ve aping the bead to put a choke and ferrite in line with the hdmi inputs without help

Anyone have any idea?

I’ve seen a few product put echosorb on the hdmi port but these products have a metal chassis to kills the spurs.

Our product is plastic and can’t use that method.