A year ago, I called and asked for upgrade of our dial-up
> connection to broadband cable.
> I had already wired our home with a two-way splitter from
> the Comcast cable entry to our home (which, by the way,
> provided -- and still provides -- excellent TV
> reception). I used top-line Belden RG 59 cable for the
> 20' run to our top floor den where we have our computer.
Doug McIntyre responded:
FYI: RG-59 has an upper bandwidth pass of around 800-900MHz. Cable
> companies have long been using RG-6 for their installations which
> has an upper bandwidth pass up around 1.8Ghz.
Or, it might have been the two-way splitter. In my experience, splitters have caused more grief than RG-59. That said, however, you definitely should be using RG-6, not RG-59.
Of course, this doesn't excuse the installation tech that couldn't
> do basic troubleshooting, but it could very well have been your
> interior wiring not being the proper type.
True on both counts.
Neal McLain