This kit includes everything you need if you have a JVC head unit in your car and want to listen to XM Radio. With this package comes the JVC adapter along with the Universal Tuner Box and Micro Antenna. The XM Radio compatibility for your JVC head unit should be indicated on the head unit "xm ready" and/or the product manual. Package Details: Includes: • Universal Tuner Box • JVC Adapter • Micro Antenna • Product Manual Product Features: • Does not Change Car Interior • Quick and Easy to Install • Complete Plug and Play Professional Installation Available Documentation: In order to view our radio hardware manuals online, you’ll need to have Adobe’s Acrobat Reader installed on your computer. If you don’t yet have Acrobat Reader, please visit Adobe’s web site to download the reader free of charge. none