There just doesn't seem to be a market for 5G Ethernet modems domestically. Everybody seems to be gravitating towards 5G routers and "Hubs" in the residential space.
If your router supports it, you'll have better luck with a USB dongle over an Ethernet modem.
I only use my desktop for gaming now but it's old and won't run Win11. I'm going for a SteamOS general release then I'll just drop windows on there altogether
PC with 2 NICs would solve this surely? 1 port to the building for Internet, the other to your offline router which connects to your headset wirelessly
If an industry can't survive without resorting to copyright theft then maybe it's not a viable business.
Imagine the business that could exist if only they didn't have to pay copyright holders. What makes the AI industry any different or more special?