@Ray7745909 Se if you have X50 sold in your region, it is similar to X55 and is sold in 2-units pack. Another option is Deco X50-POE, it is sold in single units and positioned as one-unit extension...

@Haru0819 1. Configure your Windows computer to request IP address dynamically. 2. Using Deco app, assign (reserve) static IP address to that computer, follow this FAQ:...

@Paul_user Main Deco must always be connected with Ethernet cable. Satellite Deco can connect wirelessly. DHCP service in Deco mesh should disable itself automatically when running in AP mode.

@Paul_user Connect Main Deco (first Deco unit you plan to power on and configure) to Archer router and proceed through initial Deco configuration. Your Main Deco will be configured in router mode....

@Exotics4fun Do you have something other than Satellite Decos directly connected to that switch?

@SimonGA Here is another option for you to try: configure Main Network to broadcast on 5GHz only, enable IoT Network and have devices that can only use 2.4GHz connect to IoT Network. 5GHz travels...