It work but on every border there will be a zone where you can join AP on either side. You can be still on weak AP but device will consider it weak enough and w

It work but on every border there will be a zone where you can join AP on either side. You can be still on weak AP but device will consider it weak enough and won't switch just yet. In the end if you have a problem with WiFi (e.g. not a default transparent walls and no interference) you will have a problem with it forever.