@Niplah You should check hardware specs of your TVs. Most Smart TVs come with 100Mbps Ethernet port.

@Stricko Yes, they do.

@gmoney63 In that case, I would suggest to return TP-Link Archer router back to seller for refund. It will not join Deco mesh. I would recommend the following setup: use ISP provided router (Telco or...

@MrMogensenDK For setup like yours, there are two requirements from Deco mesh: 1. It must run in Access Point mode; 2. Switch (NVR in your case) must support Deco Ethernet backhaul protocol. More...

@gmoney63 In Main Building you will need to connect Deco X20 to TP-Link Archer with Ethernet cable. Deco X20 will not communicate wirelessly with TP-Link Archer router. In Out-Building-2 Decos will...

@Barel Too bad you can't use MoCA, it works very well. Your two options are exactly as you outlined them: powerline adapters or Satellite Deco X50 to which PC will be connected by Ethernet cable....