Sirius Satellite Radio, Model: Sportster 4 Dock & Play Radio + Complete Vehicle Kit and FM direct adapter/ipod interface. The FM direct adapter is compatible with Nissan or Infiniti factory radio. The Sirius radio should work in any car or boat. This came out of my Infiniti G35 coupe. Lease is up and my new boat already has the Sirius radio in it, which I hear is great offshore! The iPod interface retails for $139 and the Sirius Sportster 4 for $100. Asking $100 or best offer for both or make offer for either piece individually with complete vehicle kit included: radio, dock with windshield and vent mounts, remote, AC power adapter, magnetic antenna and FM extender antenna. iPod-Nissan adapter 4' iPod interface cable, 4' Adapter to Nissan radio interface.