Technical specification AM/FM connector: HC97 female (RAKU 2 female) AM/FM extension cable: not available in the packaging AM/FM power supply: +12 volt dedicated and Phantom AM/FM frequency: 0,15-1,71 MHz / 87,5-108 MHz AM/FM consumption: 60 mA max Mounting: on roof Coachwork drilling: square 15x15 mm, R 2 mm - round 19 mm diameter