Nikon presents the GP-1 dongle, a device for geotagging images, for its DLSR cameras. The Nikon GP-1 add geotag to the images for recording latitude, longitude, altitude and time information. Users attach the GP-1 to camera using the hotshoe. It take up to 45 seconds or 5 seconds for GP-1 to acquire satellite signal, on cold start and hot start, respectively.
Nikon GP-1 dongle is compatible with D200, D300, D700, D90, D3 and D3X.