Gemtek WUBB-160G

Overview
Also known as the Nikon PD-10 and Fotonation CWPD.

The device is battery powered and meant to be used with a select few photo printers. It requires both buttons to be pressed on the device simultaneously to be recognized by a host computer and will then start up in 'PTP' mode.

The Nikon device uses an ad-hoc connection with the SSID being 'NIKON Wireless Print'.