Channels dropping out
I've read the guidance ("start here") and checked all the levels on my modem. Everything looks good (plus the supervisor for my issue always says that, as well).
here's the background: I've had multiple techs come out. Each time they've replaced stuff on the outside of my house, plus had a lineman check "at the end of the street" and supposedly each time he's checked he has replaced something. The line on my street just services my house and my nextdoor neighbor. There is a line that goes along the street and then runs to a pole well onto my property (our houses are set really far back). I've asked for that line to be replaced but since it's running in between trees the tech has told me it would be really expensive so they are reluctant to do so. Everything on the outside of my house and right inside where the line comes in has been replaced at this point.
What the symptoms are: with multiple devices on the network, throughout the day some devices (but not all) will randomly drop out. The internet seems to go down. If it happens to a laptop, I usually see: connected with no internet. It is random as to which device(s) go down.
my equipment is the latest from Xfinity: Technicolor CGM4331COM
plus I have 2 pods; the tech placed them to maximize signal in the house.
I have been monitoring the router and when this happens either most or all of the channels on the 2.4 band have completely dropped. Then they will recover in a couple of minutes. This is the only issue I can see with the tools available at 10.0.0.1. Nothing in the logs, and no unrecoverable errors.
The latest thing the tech did was give me a new router and plugged a new cable directly from the splitter that's on the inside of my house to the router (so the router is sitting in my garage). He figured everything would be 100% with that setup and then I could move the new router into my house and it would point out that my inside wiring needs to be replaced. But we haven't gotten that far, still have issues, and now the tech and his supervisor aren't responding to me. I called the main Comcast and now have another appointment tomorrow with a new tech, but I'm afraid they are out of ideas at this point, and it's not helping that my modem levels (that they seemingly are monitoring) seem to be fine. Any suggestions?