AK G2 Camera GPS Receiver With For Nikon D3100, D30200, Nikon, And D5000 Series A55 Cameras From Goodgo, $104.86 | DHgate.Com
Alternative GPS module solution for Nikon cameras: di-GPS Eco Pro-S and Pro-F - Nikon Rumors
GPSN Pro Micro Camera GPS Tracker Receiver For Nikon D800/D3200/DS90/DA7100/ D5200, D4/DF600/FD5100,D7000/DD300/S With From Goodgo, $84.49 | DHgate.Com
Amazon.com : GPS Receiver Compatible with Nikon, Micnova GPS-N Plus DSLR Camera GPS Unit Navigation Geotagging for Nikon D800 D3200 D3300 D90 D7100 D5200 D4 D600 D5100 : Electronics
Micnova GPS-N Camera GPS Tracker Receiver Navigation Remote Controller for Nikon DSLR Record Latitude Longitude Altitude UTC