Not sure exactly. I don't think it would matter. I'm mostly here to say that if you decide to go cat5 you'll be fine. I had a 100 foot run on cat5 from a switch to a computer with no appreciable loss.

We have AT&T Uverse internet service and the data cable that's been provided for us is too short. I was told by the AT&T technician that came to our house, that it's a common CAT3 cable that can be ...