your brief is long, have you read the manuals from gl-inet or tplink travel routers and specs to see if they fit your needs.
jack_hudson2001
joined 1 year ago
NanoBeam are good
re-run the cable preferably fiber or like you said p2p wireless bridge, good brands are ubiquiti, tplink and mikrotik
best solution would be to run some extra ethernet cables around the house and attach a WAP where there is a weak signal.
product eg tplink deco, will allow mesh and backhauling.
lan to lan ports...
my preference would be to get a WAP, if you are wanting to extend the wifi
in general, if you want to separate networks vlans would be required so a managed switch, and if one wants security, get a firewall something like pfsense
ups and 3-2-1 backup strategy