@Adex1 This screenshot tells me your laptop is currently connected to the Deco unit nearby. I could only get that excellent signal level on 5GHz when standing right in front my Deco. You won't get...

@Splatterly Yes, switching off router WiFi is recommended configuration after you have Deco mesh up and running.

@Adex1 Another option you could try is enable Guest network, configure it with 5GHz band only and connect laptop to Guest network. Just to check if my theory is right and laptop connected to 5GHz...

@Adex1 For Apple laptop, I can recommend two options: 1. Configure Main Deco to run on 5GHz band only, that should provide more incentive for laptop to select nearby Deco. 2. Connect Apple laptop to...

@Adex1 It is possible that Satellite Deco disconnected briefly, and that forced device connect to Main Deco. Poweline link is not the most reliable one. Is that Satellite Deco online now and does it...

@SteenTP There is more than one solution to every problem. As long as you are happy with what you have, no need to make additional changes. Your call. I can think of three reasons why you may wish to...