It will be less the age of the actual cable, and more the standards used when cabled. The largest issue is likely to be splitters behind the wall that limit frequencies passed through.
Usually those can be found in the wall boxes behind the plate - but not always!
These used to be a bane on cable modem installs for apartment complexes, but the situation should generally be better 25 years later...
Usually those can be found in the wall boxes behind the plate - but not always!
These used to be a bane on cable modem installs for apartment complexes, but the situation should generally be better 25 years later...