@Eladeb Could be many reasons, really. Wireless interference, how Deco mesh is set up, how speed tests are run, what type of device and what kind of WiFi network card are used to run speed tests. The...

@FN521 For starters: can you ping that same IP address from the device you are using to access Main Deco?

@FN521 You can open Main Deco IP address in a browser and it should work. For example, if Main Deco IP address is 192.168.68.1, open http://192.168.68.1 in browser. If you don't know Main Deco IP...

@Adotel You can use Deco Guest network to have different SSID with just WiFi 2.4GHz, for devices that can't handle dual band networks well. This is what I've done with my M9s. I also disabled 2.4GHz...

@saruman This layout, all Deco units connected to same switch, will work when Deco mesh runs in Access Point mode. You will have Ethernet backhaul and all mesh features. See General questions about...

@Hans123456789 Yes, you can wire them. See General questions about Ethernet Backhaul feature on your Deco No POE support.