@gjmartin I can't speak for all vendors, but for TP-Link Deco you are correct: if all Satellite Deco will be Ethernet wired, tri-band does not offer any benefits. From TP-Link WiFi 6 mesh hardware,...

@Ced_Ho If you disconnect your Satellite Deco from Ethernet cable, will it still be capped at 100Mbps? You can test it with just one Satellite. --- Bring Satellite Deco to same room as Main Deco,...

@gjmartin Only two bands will be available for clients. 2nd 5GHz band is reserved for the backhaul only. Also, it will be active even when Satellite Deco is connected via Ethernet. That makes sense,...

@Ruffiomaster What your friend has is almost ideal result. Properly placed set of three Deco M4 should deliver 400-600Mbps on Main Deco, half of that, 200-300Mbps on first Satellite and 100-150Mbps...

@nzrver It will work and you will have unified Deco mesh at your house. With your Smart TVs accessing Internet. I checked X20-4G(LTE) specs and they show three Ethernet ports, they are WAN/LAN...

@lucozadenrg This is how it works with Deco: add X68 as Satellite, promote it to Main. See Changing the Main Unit for your Mesh Network After you've done that, you can delete Deco M9s from your Deco...