DAB Internal Windscreen Mount Active Antenna with 3m Cable terminated with Female SMB Right Angle Connector.This antenna can be powered either by a separate 12V feed or directly from the DAB source via the coaxial cable. Features 3db Gain Cable Length: 3 meters Female SMB Right Angle Connector PLEASE NOTE: Not suitable for cars with polarised windscreens. In these cars mount the antenna on a side or rear window. Heated front / rear screens can reduce the reception performance.