@MattS666 For what you want to achieve, you need to switch Deco mesh to Access Point mode: Switching a Deco to Access Point (AP) Mode

@PWH Firmware 1.4.* does not have Connection Preference feature, it comes with 1.6. It is not guaranteed firmware 1.6 will be released for Deco S7. Powerline adapters are the last resort for wired...

@DrAhmed86 I want to be sure your Pixel connects to hardwired Main Deco and does not go through WiFi connected Satellite Deco. This is the simplest way to ensure it. Also, trying different speed test...

@DrAhmed86 OK, then please do the speed test with the following setup: 1. Power off Hallway Deco. 2. Bring Pixel to where Living Room Deco is, place Pixel in direct unobstructed view from Main Deco...

@Alexandre. Also, Show List can tell you same info, for all Deco units at once:

@DrAhmed86 As your screenshot shows, device has excellent connection to Deco node, with gigabit speeds. One more thing to check, if you don't mind. You said each of your Satellites is hardwired to...