Broadcast reception noise in car often represents a limit to satisfactory audio quality. The great number of broadcasting-stations, the multi-path reflections of the signals and the noise generated through the electronics on board are one of the most frequent causes of distortion and sometimes breakdown while listening to the radio. D.A.B. system assures a high quality audio reception. This digital system allows both to exceed the listening limits of the traditional car radios and to assure a CD high quality sound. Calearo D.A.B. antennas represent the ideal solution for a perfect digital audio standard utilisation.