[dianebrat]

No.

Older Mini's would need to be a DIY wireless client solution if you can't arrange a wired Ethernet or MoCA connection for them.


No.

You'd want to use a wireless bridge (ex: wireless client w/ an Ethernet port rather than USB) for the older Mini's.

Or powerline adapters.... (how quickly people forget! )in many scenarios without MoCA and mediocre wifi, a cheap set of powerline adapters can give a solid enough signal to work around those issues, provided the house wiring is up to reasonable standards.