5 years ago.
The short answer is yes.
We are working on a 6LowPAN edge router with Ethernet connectivity, and a shield with a radio for prototyping edge devices. See picture below!
We're using 2.4GHz radios, and the router is built from an Cortex-M4 with Ethernet.
We'll make more announcements nearer the time regarding beta testing, and then final availability.