http://www.livejournal.com/talkread.bml?journal=itszer0&itemid=53958
P.O.E is "Power over Ethernet", for those who don't know.
Those photographs are of an access point (Dlink DWL-900AP) running off internal batteries.
No, it doesn't come with internal batteries.
Think of the possibilities of this, you can probably see why we're excited.