@BobbyE Most broadband connections require some sort of user authentication or identification of a known device. So, I suspect your Wi-Fi router is either establishing its connection to the Internet...

@BobbyE Ok, I see. Is that "main broadband box" a complete Wi-Fi router in itself and you just added another Wi-Fi router via the AV1000 adapters? In case it's not, do you remember if your Wi-Fi...

@glyderman Hi, Can you still establish a stable network connection between any two of your six Powerline adapters? (e.g. between two computers or one computer and the CCTV or so)

BobbyE wrote **UPDATE** I took my router upstairs and plugged it into the wall socket I’m trying to get working, as my pc connected to that downstairs, and I can connect up in the office with that....

@BlockPad Do you have access to another desktop computer or laptop? If yes, then test if the T2U will work with that other computer. If the 5 GHz doesn't work on another computer either, then the T2U...

LuisPortanel wrote Is this a hardware limitation ... @LuisPortanel Most likely it is. VPN connections like OpenVPN use strong data encryption methods, which require quite a lot of CPU power. But...