@M4D Has anyone seen Decos reject Ethernet even when laptops work fine? Yes. If your Deco mesh runs in its default Router mode with Main Deco connected to ISP router, you might have Satellite Deco...

@GSMGuy Start with this: General questions about Ethernet Backhaul feature on your Deco

@Muiscmp3 Many TVs and media boxes have 100Mbps Ethernet port, not gigabit. This is what may limit maximum speed you see on them. 100Mbps is enough even for 4K streaming. Check hardware specs of your...

@Tonmeister What you see is expected result. Each WiFi node is intelligent WiFi range extender. WiFi range extenders cut your internet speed in half due to "half-duplex" operation - they can't...

@MORIN76 I am assuming you connect Satellite Decos to Main Deco through managed switch. If this is the case, please check the following TP-Link FAQ: https://www.tp-link.com/en/support/faq/2317/

@matthew1212 Yes, there is. Configure Deco mesh to run in Access Point mode and they should start using wired LAN connection to the modem. Here is how, from TP-Link FAQ:...