@diogo_ An improvement with Main Deco, but still below expectations. Keep Deco mesh in Access Point mode and do two more changes: 1. Enable only 5GHz for Main Network: 2. Power off Satellite Deco,...

@diogo_ OK, we can now start with troubleshooting Deco mesh. The objective will be to see if we can reach similar speeds to MEO Router WiFi, which would be 400Mbps-500Mbps. First step is to...

@diogo_ One more question: it appears you have WiFi enabled on MEO Router. When connecting your computer via Wi-Fi to MEO Router (instead of Deco mesh), what download speeds are you getting?

@diogo_ Thanks, this is very helpful. Main Deco is connected to LAN4 as you said. I also see that something is connected to LAN1 of MEO router, what is it? Also, if you connect Main Deco to LAN2 with...

@AndyK1067 My Main Deco M9 Plus is on that same firmware. I just ran speed test with smartphone connected to Main Deco, got 620Mbps over WiFi. Check maybe you have settings like priority devices or...

@wwwebb Keep only 5GHz band for Main Network, and that will convince devices roam faster to nearby Deco unit. Also, Fast Roaming must be ON (it should be ON by default, but worth to check).