@DeonA Deco E4 has 100Mbps Ethernet ports, that is what limits speed of your Deco mesh. To address that, you will need to buy Deco unit that has gigabit Ethernet ports, add it to your Deco mesh and...

@KevinPG Deco is pre-set in router mode. Connecting it to existent router would be like connecting regular WiFi router to existent router. For initial installation and configuration that should not...

@Randomcdn Me too, and I checked its price on Amazon Canada yesterday. Usually smart thermostat apps work with thermostat through the cloud, meaning just configuring this router as router should be...

@Supperouge I think what you have is Deco X50-5G. In Deco app, open Update Deco and check what model name it shows there for your Deco unit. If this is what you have, the best Satellite (additional)...

@EdoM Easymesh systems are not compatible with Deco mesh systems. If you want to keep x50-4g, you may wish to return TL-WPA7817 kit and look for different options.

@Randomcdn If you have Ethernet port in that room, which is connected to the rest of your home LAN, there is another option. Get the most inexpensive 2.4GHz WiFi router you could find. In my region...