I see. My original thought was that having them connected to the cable running from the switch will improve the speed that it outputs wirelessly. The house is relative new , 2017 built (no metal mesh in the walls 100% , but its a brick contruction with steel bars i asume) with the office on the second floor (where i want to hold my personal router which handles the mesh) with 3 floors in total 80 m square/floor. If its not possible to have them work wired , but just overlapp them in terms of range , that should not be an issue . Thank you for the advice