This is a stand-alone GPS antenna used in Carrozzeria navigation systems. It mainly supports navigation systems from around 2008 onwards. It is also used in Carrozzeria's genuine navigation systems, including the MRZ, HRZ (with three-digit numbers), VH, ZH, RZ, CE, CW, CL, and RQ series, among others. Please check with the manufacturer for details. This is a used item, so please examine the images carefully and only purchase if you are satisfied. No returns, no refunds, and no exchanges (3N rule) are accepted.