I pretty successfuly ran a combo of TP-Link with OpenWRT connected with cable to a cheap dumb Edimax, which in turn was connected through wifi to downstairs Zyxel ADSL router from O2 ISP.
Essentially the Edimax bridged the internet (there was only one place where the signal was strong enough) from downstairs, sent it to the TP-Link and that one spread wifi on the upstairs floor (so we could use phones/notebook) and my brother’s and mine desktop PCs were connected to it by cable. A bit of an overcomplicating simple problem, but it worked (otherwise we would either have no wifi or would have to buy a different router with 2 separate WiFi chips).
I pretty successfuly ran a combo of TP-Link with OpenWRT connected with cable to a cheap dumb Edimax, which in turn was connected through wifi to downstairs Zyxel ADSL router from O2 ISP.
Essentially the Edimax bridged the internet (there was only one place where the signal was strong enough) from downstairs, sent it to the TP-Link and that one spread wifi on the upstairs floor (so we could use phones/notebook) and my brother’s and mine desktop PCs were connected to it by cable. A bit of an overcomplicating simple problem, but it worked (otherwise we would either have no wifi or would have to buy a different router with 2 separate WiFi chips).