@MartinBG 500Mbps sounds too low for WiFi6. I am getting such speeds on WiFi5. Try this, in that exact order: 1. Switch Deco mesh to Access Point mode: Switching a Deco to Access Point (AP) Mode 2....

@alfie012 Please double check. Perhaps, reboot a computer and check again. If you force adapter to gigabit speed, it will not show you 100Mbps link speed: it will either fail to establish the link or...

@alfie012 On your computer, open Realtek Ethernet Adapter properties, change "Speed & Duplex" from Auto to 1.0Gbps Full Duplex.

@LanceJoseph They are compatible. The main difference is E4 has 100Mbps Ethernet ports, while M4 has gigabit Ethernet ports. If you plan to have Satellite Deco wirelessly connected to Main Deco M4,...

@Smats Deco M5 has gigabit Ethernet ports. I would recommend keeping M5s and have one of your M5 as Main Deco. Only if Main Deco M5 can't handle the load in Router mode it would make sense to look...

@omrid Connect laptop to the second Ethernet port of Main Deco and run speed test again. I would recommend running 3-4 speed tests back to back, with no interval between them. If last of these speed...