> In fact, I've heard of setups where a Freedombox fashioned from
> a Raspbery Pi or OLinuXino Lime2 or CubieTruck uses Ethernet for the
> WAN connection and then makes its own Wi-Fi hotspot with an external
> USB wireless card.
That's indeed what I use, with one USB port used to provide a local wifi
network, and the OTG port used with g_ether as a network connection to
provide a wired connection to a nearby desktop.
Stefan