How about this:-(img)fromhttp://uk.farnell.com/jsp/search/browse.jsp?N=500006+1004574&Ntk=gensearch_001&N...but it's not an arduino.
Mowcius, it looks like it can communicate with Zigbees, but it's getting a bad reputation for its software development toolchain.
There's a gang of people poking at it though and I'm sure we'll see some opening up soon.
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