Nikon UT-1 Communication Unit (D4,D800/E,D7000/7100) at KEH Camera
Nikon releases the Communication Unit UT-1, which supports more efficient image transfer over Ethernet and wireless networks for digital-SLR cameras | News | Nikon About Us
Nikon UT-1 Communication Unit With WT-5A 27099 B&H Photo Video
Nikon D600, Nikkor 18.5mm f/1.8 lens, UT-1 communication unit announcements - Nikon Rumors