@David-TP Thank you very much for your answers! But I am still in doubt about the main issue. If I connect two deco devices with an ethernet cable, will they form a mesh network? Especially, when...

Hello, I try to design the wifi mesh network. There are two buildings. Building "A" (house) with thick walls and Building "B" (guest house). The distance between buildings is about 60m. I'd like to...