Since there doesn't appear to be anything wrong with the line, the next place that should be looked at is an interference issue.
There are many things that can interfere with the U-Verse signal, both inside and outside your house. Examples:
Bad ballast on fluorescent lights, security lights, any gas-discharge
lighting like mercury vapor. Sometimes, it may not even be in your
house, it might be a street light outside. - Ham radio or AM radio stations that are nearby. -
Bad power supplies in a multitude of different pieces of equipment.
Can be in the U-Verse devices, or could be in different devices. - Improper grounding of the phone system, including poor grounds at the NID or pedestal. -
Improper grounding of the house electrical system, including poor
grounds at the electrical outlets feeding the U-Verse equipment or the
You probably should start with a U-Verse tech and have him check for these things, as well as the U-Verse equipment itself.
that, you might need to get more creative to find any potential sources
of interference, like systematically unplugging/disconnecting
electrical devices in your home.
I've actually got the RG in a closet with a florescent light just 2 feet away, and I actually have the district manager of techs coming out soon to look at things (I stood fast on the phone and politely demanded that they send someone to troubleshoot, not just replace things).
Maybe I'll suggest having him move the RG to a different location to begin with.
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