@Rafou According to hardware specs for switch Unifi USW-Pro-48 I can find on the Internet, that switch does not support 2.5Gbps speed. It supports 10Gbps or 1Gbps. For that reason BE25 is forced to...

@ScrnName In Deco app, under WiFi Settings/Network/Advanced/Band uncheck 2.4GHz, which will make devices roam between Deco nodes faster:

@Dizzetiid For troubleshooting purposes, configure Deco mesh to run in Access Point mode and see if all Deco units start using Ethernet backhaul. See...

@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...