@Netzwerk You can't do that - see OneMesh FAQ - Q10/A10. Moreover AX73 doesn't support Range Extender mode or WDS feature. If you can't use ethernet cable between those two you can use a Powerline...

@Jejasatish To connect to device is to connect your computer via router's LAN port with ethernet cable and use the address tplinkwifi.net in the browser (default credentials are admin/admin). You can...

@MoonDogData If the device is working properly and says that there's no new FW version to update to, then stick with the current one.

@Sofee It's quite possible that moving through 2 walls the wireless signal degrades and be the reason for these disconnects. Have you measured the wireless signal strength with your PC wireless...

@Jimmy1911 AX20 doesn't support DFS channels: Devices like AX50,AX73, AX90 and above support it.

@VoicE VR600 is a gigabit modem router - check the specs here.