I don’t think age of copper itself matters (assuming it supports TV already), other than what might come along with that. https://en-us.support.motorola.com/ap

I don’t think age of copper itself matters (assuming it supports TV already), other than what might come along with that. https://en-us.support.motorola.com/app/answers/detail/a_id/176961/~/coax-network-considerations-for-moca https://en-us.support.motorola.com/app/answers/detail/a_id/1... will give you some additional info. My house had quite old (likely 1980s) coax home runs and it worked flawlessly. All I did was change out the entry (root)splitter for one that had a point of entry filter. I’m not sure that was even needed, but it seemed sensible and was not expensive or difficult.