Hi,
I'm currently using a Tmobile AC1900 flashed into AC-68u for 5 years now and planning to upgrade to a TUF AX4200 and use the old ones as an airmesh node.
My house is about 60m2 with many floors, but I normaly using the first 2 floors so wifi range wont be an issue.
I'm using 1Gbps plan...