Wow, I'm envious then ...
As your home's construction is indeed a very "RF friendly" environment (at least to WiFi frequencies). That is if only the one WAP built into the gateway would be sufficient to cover your entire house if it were wired for ethernet.
I could never get away with that here, for instance while typing this post right near one of the XT8 nodes in my bedroom at the west end of the house. Looking at my network analyzer app naturally shows a good signal strength in the -25 to -40 dbm range on the 5 GHz band for the nearby node.
But the other two nodes, one in a centrally located dining room (main router/node) and the other in the upstairs hallway are both within 50 ft. of my bedroom. And even with the bedroom door open are way down in the -70 dbm to -85 dbm range.
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9-5-2022 at 7:54 AM - PDT
Well, don't get me wrong here.... I didn't say that the U-Verse Gateway's 'reach' was perfect. It's 5GHz Band DOESN'T reach the full West end of the house. For, again, as I stated in an earlier post that my dad's two computers, (one Desktop and one Laptop), DID have trouble keeping wireless connectivity at that West end of the home. It's just that IF we had had Wired Ethernet in the walls, that his computers would have been Wired, thus eliminating the need for the MESH System. Mom's Laptop, IF used more often, would also have had issues IF the home had been Wired, for even though the Family Room is on the East end of the house, the 5GHz Band of the Gateway, (also on the East end of the home), had issues reaching from the upstairs attic down through the attic floor to the Family Room, and the proposed Wired Cable would have been in the East Northeast corner of the room for the TV Equipment - NOT allowing her Laptop to connect Wired.
ONLY the 2.4GHz Band of the Gateway could reach the West end of the home. BUT, the computers kept trying to connect to the 5GHz band, regardless.... No, the Gateway is NOT the perfect solution, either, BUT, in a mostly Wired environment in our home, (again, had we had Wired Ethernet throughout), I don't think dad could have justified the need to spend $450 on the MESH we now have. HOWEVER; because of the GREAT need to have the Wired Ports of the MESH at EVERY TV location, the $450 was more than justified, because it became a requirement and a necessity for ALL TV locations in the home.
The added benefit of GREATLY improved WiFi 'reach' was just 'gravy' or 'icing on the cake'. For, now, dad's computers connect at the MESH Node in the Master Bedroom on the 5GHz Band without issue. Then, that Node 'Hops' back to the Router Node at the East end of the home, most likely with another 'Hop' at my Bedroom 1's MESH Node, which is in between the Router Node and Master Bedroom.... So, everything has just worked out, as it should, by having the MESH Network in place.
AND, I'm VERY glad to have the MESH Network. However; dad owns the house, and he makes the decisions on how and where his money is spent. If it hadn't been for the basic 'requirement' to have the MESH Network to complete and resolve the TV Equipment issues, he would NOT have justified to himself the need to spend $450 on the MESH 'just to improve the WiFi connectivity' in our home. He's VERY frugal with his money, and he's also a non-technical person. IF something works at all, even if it's NOT perfect, (like the WiFi of the U-Verse Gateway), he'll keep using it until he feels justified in going another, better but more expensive, route.
Had I had the money myself, we would have had MESH over 2 & 1/2 years ago. MOST likely would have been an EERO Pro System. However; now that the cheaper Linksys System is installed, I'm MORE than pleased in how it operates and is maintained by an App on my iPhone. There, also, is a 'Web' Login when I'm at my Hackintosh on Firefox. In the year and a half of operation on the Linksys MESH Network, we've had ONE issue with the Family Room Node. It lost connectivity to the Router Node after a Linksys Firmware update. ALL other Nodes were lit in blue, including the AC-2200 Router Node, BUT when turning the Family Room TV on, there was a message at the top of the TV screen stating, "...Reboot Router." It was then that I noticed the Family Room Node was lit in red.
I rebooted the Family Room Node, first, and found no change.... I then rebooted the AC-2200 and then went back down to the Family Room Node to find it FINALLY lit in blue. The easily visible lights at the top of each Node on Linksys MESH Systems is MUCH better than the EERO Pro Nodes. Setup via the App is virtually identical in the way that both Linksys and EERO are set up at initial installation. Both resolve weak WiFi connectivity pretty evenly.