100% Brand New & High QualityWork with AM and FM Radio StationsWith Motorola Female and Male EndsFor the Newer Audi， BMW， Mercedes and VW vehicles come stock with an inline Booster similar to this one but they have European endsWith this item， you can have great reception as wellLess radio drift and improvement in both FM and AM receptionHow to use: 1. Connect it inline with your antenna 2. Connect the blue wire to your power antenna lead or another keyed 12V sourcePackage included: 1 x Car FM AM antenna