CloudXR bandwidth prerequisites / Client not connecting to server?

So I have set up an AWS EC2 server using the CloudXR AMI, and have set up SteamVR. I have also installed the CloudXR sample apk onto my Oculus Quest 2, and added a file directing it to the server IP. However, when I launch the app, there is a black loading screen for a little while before it returns to the Oculus home screen.

I read that there is a bandwidth minimum, and I’m thinking this may be the problem as my internet where I am at the moment is pretty slow, would this be a likely scenario, or does the black loading screen indicate a different problem?