Emprum | UltiMate GPS for iPod touch, iPhone and iPad
TomTom Car Kit for iPod Touch (compatible With 1st and 2nd Gen) GPS Receiver for sale online | eBay
Amazon.com: DUAL XGPS251 Portable GPS and Battery Cradle for iPod touch (Discontinued by Manufacturer) : Electronics
Amazon.com: Dual Electronics XGPS150 Universal Bluetooth GPS Receiver for iPad 2, iPad, iPod touch, iPhone and Other Smartphones, Tablets and Laptops (Discontinued by Manufacturer) : Electronics
Dual Electronics iPod touch GPS dock ships at long last | Engadget
Dual XGPS300 Cradle Add GPS navigation to your iPod touch® at Crutchfield
Emprum Ultimate GPS receiver External GPS dongle connector for iPad, iPod or iPod Touch Apple € 129