Note: This External DAB Radio Antenna only fits for the Europe Countries. And only can work with a SYGAV brand android head unit. APP download link(S1.36): https://drive.google.com/file/d/1gKDYWlSDxMKorEvcCMvLMZhspnIuG6-I/view?usp=sharingFeatures: DAB/DAB+receiver Special interface to be compatible with SYGAV car Android unit. The frequency range of DAB band： 174.0 MHZ-239.0 MHZ Support auto local searching. Support RDS function. Support DLS (Dynamic Label Service) and S S (Slide Service) on DAB and DAB+channels. Support channel list. Signal strength display. Omni-directional antenna(cable length 2.5m) Product description: The device is developed for digital audio broadcast receiver for world wide application. High fidelity, ultra low power and stable RF quality with function enhance.