@ah9999 You can use both Ethernet ports of wireless Satellite Deco to connect wired devices. No need for additional switch, then. Good luck with your project. When you complete it, if you have time,...

@ah9999 M9 will perform better than M5, this is correct. In my non-scientific speed tests of wired Satellite M5 on 5GHz the best I could get was 415Mbps. Same test with M9 yilded 635Mbps. There might...

@ah9999 Question No.1: Thoughts on the above plan? It is a good plan. I see no flaws with it. Deco mesh in Access Point mode works perfectly when all Deco units are Ethernet wired. In my house, I...

@ChadK Look for unmanaged 8-port gigabit switch. I think any such from TP-Link brand can do. In my household, I run everything wired on TRENDnet TEG-S80g 8-port gigabit switch. All ports are in use,...

@Charlie555 Here is an example from my home network. There are two devices connected to my Office Deco: Water Heater by WiFi and Xerox printer by Ethernet cable. Water Heater has Mesh button, Xerox...

@matoB If you want quick solution, you have only two options: switch to using Deco DHCP server or return Deco. If you plan to return Deco, research WiFi mesh from different brand of your choosing to...