
GL.iNet
GL-MT6000 (Flint 2)
OpenWrt enthusiast's choice; good value, but lacks 6GHz.

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Gl-inet Flint 2, it's a beast. Opted for this against the Flint 3 since there's no OpenWRT support and there has been ongoing wireless instability. On sale now during the Amazon Spring Sale which ends on the 31st. Has Tailscale and Wireguard support. Includes AdGuard as well, but I'm already running Pi-Hole. Had an Asus and a Nest Pro before, with this router I finally have no issues with iOS or macOS devices.
Rock solid with my two unit Nest WiFi Pro setup. Forget they are even there.
Got Google nest pros, they work with no major complaints. Will do the job your after.
Correct, because my ISP uses VLAN tagging, I cannot use the Primary Puck as the main Internet router. The Google Wi-Fi pucks form one network subnet that is then routed to the ISP provided router and then to the fiber. If they are configured in Bridge Mode with no Primary Router puck, then they revert to simple access points that bridge the WiFi to the Ethernet backhaul.
It's in double NAT because the original Google Wi-Fi don't support VLAN, I don't have that option in the Google home app. You've got it because you have the PRO version. It's not a problem and actually solves one problem I was having with Pi-Hole. With Pi-Hole in the Google network all the DNS requests came from the Google router, even when Google DHCP was configured to provide the pi-hole address. Now, with the pi in the other network it works as expected, router does DHCP and gives clients the pi address as DNS and they use it. It allows me to tell the family that if they want ads they can use one network and if they don't, use the other.
I had problems with coverage in my three-bedroom apartment. Too resolved it. I picked up two Google Wi-Fi mesh routers that resolved the problem. https://store.google.com/product/nest_wifi_pro?hl=en-US
I have the Google Pro Wifi routers and have the opposite experience as you. Flawless and I have had them since release date. I use wired MoCA backhaul for my 3 units.

GL.iNet
GL-MT6000 (Flint 2)
OpenWrt enthusiast's choice; good value, but lacks 6GHz.

Ubiquiti
Dream Router 7
Advanced management, but limited Wi-Fi 7 range, SFP+ issues.

Ubiquiti
Dream Machine Series
Comprehensive control, stable for large homes, but slow support.

Ubiquiti
UniFi Dream Router (UDR)
Modular, user-friendly, but tricky advanced setup, poor penetration.

GL.iNet
Beryl AX (GL-MT3000)
Travel king, versatile, OpenWrt, but bulky power adapter.