First Look: Dual GPS Cradle for iPod Touch | WIRED
Avionics / GPS / ADS-B | GPS Adaptors & Bluetooth Receivers | NGP904 | Bad Elf GPS Pro+ with Bluetooth made for iPod touch, iPhone and iPad. | Pooleys Flying and Navigational Products and Accessories
TomTom Car Kit for iPod touch Negro - Soporte (Negro, Alámbrico, 115 g, 127,59 x 69,36 x 47,44 mm) : Amazon.es: Electrónica
Base de batería y navegación GPS doble para iPod Touch modelo XGPS300 | eBay