SHD-A model transmitter is applied to emitand convey basebandsignalofsound, vibration and measure-control in aeronauticalcommunicationsystem from one pointtomulti-point.
The dock is suggested to include an FM transmitter for piping navigation audio throughout your vehicle's soundsystem, as well as allowing external DAPs to be heard through more than just a built-in tweeter, but we're still waiting to see if TomTom plans on this being a standalone unit or if it fits better integrated into one's dash.