Alexandre1969 wrote Guys, just to conclude. I returned the Deco M4 and exchanged it for M5. But even with three M5 it didn't work well. I had to add one more, then it worked. Still, the internet on...

@PotatoWiz Let's start with basic analysis. 1. Have you connected both Deco M4 with Ethernet cable to the Archer C6 router? I mean, each of them connected to Archer, right? This is how I read your...

bobdeco1 wrote @Alexandre. Just did some playing around of the height position of the disc C and if I place it higher in the room, I can get 200mbps it. Obviously still some reduction but it seems...

@bobdeco1 Weak signal between Disk C and Disk A makes sense. Disk C should have connected to Main Deco if signal was reasonably good. Thanks for verifying it. There are no settings in Deco mesh to...

@bobdeco1 You have latest official firmware. What you describe is standard with dual-band WiFi mesh, where each hop cuts speed by half. You trade speed for signal strength and better coverage. With...

@MPG It may not be possible to figure the difference between two houses without visiting them in person, which is obviously not an option. I can help with basic steps of how to optimally place Deco...