Nikon Wireless File Transmitter for the Nikon D5.
The Nikon WT-6 can transfer and allowing viewing of files remotely from the camera, using a Wi-Fi point or Wired Network. With speeds of up to 130 mbps wirelessly and supports the fast IEEE802.11ac standard. Connectivity distance of approximately 656 ft. and can be used to transfer images to an FTP server or to a computer. When in HTTP mode, the unit can be used to operate camera controls, begin Live View shooting or start/stop HD video recording.