@Jank52 Here's a video guide on how to setup WA850RE. If you've already configured the RE, reset it to factory settings (press the reset button for about 10 seconds) and start over. If that doesn't...

@tarkand Home grade routers like Archer A6 don't support dual WAN connection. If you want to use such feature, you have to consider business grade router like one of these.

@Felix_Home Cat5E will suffice - just make sure the cable is well (factory) made and is of a good quality. You should have such cable in the AX72 kit. Which is the FW release of your Deco M4 after...

@Felix_Home Test with another ethernet cable between the AX72 and Deco M4 where your bottleneck is. They should auto-negotiate at 1000 mbps (Troubleshooting details).

@PJSc For 15-20 meters distance, I would run an ethernet cable to the garden office and connect the Deco X50 5G unit to the house mesh. The other way you could approach this is to use a Deco...

@EralpN This could happen if you've not set your RE550 DHCP server to off or a bad cable between the router and the RE550. I would set RE550 with a static IP address 192.168.X.254 (X according to the...