I've got a Hub 3.0 and on a regular basis I lose access to the internet over wifi. The wifi is still connected to my devices but speedtest just says there is no internet connection. However, my TV continues to work via hard wired connection and if I plug my laptop into the router I then get a signal.
Also, the wifi signal from the hub seems weak from downstairs next to there TV to upstairs where I have to use a wifi extender due to poor coverage. The extender is about 15ft away but is constantly saying there is a weak signal from the router.
I had thought of connecting a better router to the Hub but wasn't sure what to look for. Any suggestions for good models? I've only got small terraced house but the Hub struggles to get a wifi signal out of the downstairs lounge!.