Compatible with most 2005 headunits and later that are SAT Radio Ready
The XT-100HD HD Radio Tuners is compatible with Sony BUS car audio units released in 2005 models or later (as of June, 2007):
CDX-R30M, CDX-GT30W, CDX-GT300, CDX-GT400, CDX-GT500, CDX-GT31W, CDX-GT51W, CDX-GT310, CDX-GT510, CDX-HS70MW, CDX-F50M, CDX-M8815X, CDX-GT705DX, CDX-GT805DX, CDX-GT710, CDX-GT81UW, MEX-1GP, MEX-DV2000, and CDX-GT610UI.
