Bottom ComponentsRefComponentDescriptionSee Also3GPass-throughConnector(optional)Connects to the external antenna for3G transmission.NOTE:Must be connected via a dockingstation.GPSPass-throughConnector(optional)Connects to the external antenna forGPS receiver.NOTE:Must be connected via a dockingstation.Docking ConnectorConnects to the Docking Station(available as an option).P.4-5Power ConnectorConnects the AC adapter.P.1-3