Which could be verified in about 2 minutes with an oscilloscope ... So the supplier must have scope plots on their web page of course? .... We can just ignore that transmission line effects are impedance based and position of the collar would be meaningless I assume?
>>>>>Conclusion: the Stealth CableCollar works on the same principle as the Shun Mook Original Cable Jacket and the Cable Wrap from Highwire. It absorbs the reflected electromagnetic wave. Case closed! 🕵️♂️