Vehicle unit with a portable vehicle box that has a communications capability, e.g. a portable toll unit, is positioned in the vehicle in a mounting so that the box aerial makes a contactless connection to the vehicle's own aerial

摘要

Vehicle unit has a vehicle box that can be attached to the inside of the vehicle and has an antenna for wireless communications with an external acquisition unit. The vehicle box (3) is inserted in a mounting (2) that can be connected to the vehicle's external aerial (10) or a connected internal aerial (6). The box aerial (4) is contactlessly coupled to the internal or external aerial when it is placed in the mounting.