Integrated Audio Module (IAM) (2007): Design: Antennas
The integrated audio module (IAM) is connected to an AM and FM antenna system. This consists of a main antenna, an FM sub-antenna and an AM antenna. The antennas are connected to an antenna amplifier. The antenna amplifier has two channels: one for the FM main antenna and the AM antenna and another for the FM sub-antenna.
Both channels are connected to the integrated audio module (IAM) via a coaxial cable.
The connection for the sub antenna is used to power the antenna amplifier.