Abstract: A antenna module includes a telematics unit having a telematics printed circuit board and a Peltier element. The telematics printed circuit board has a first section and a second section. The first section is cooled by a forced airflow and the second section is cooled by the Peltier element.

Abstract: A antenna module includes a telematics unit having a telematics printed circuit board and a Peltier element. The telematics printed circuit board has a first section and a second section. The first section is cooled by a forced airflow and the second section is cooled by the Peltier element.

Abstract: A compensator module includes a wanted-signal connection for transferring a plurality of wanted signals, a radio-frequency module for amplifying the wanted signals, a control-data connection for receiving a plurality of control data, and a processing unit processing the control data and driving the radio-frequency module. The control-data connection is connected to a digital data network. The processing unit switches the radio-frequency module between a compensator-module transmit operating mode and a compensator-module receive operating mode according to the control data.

Abstract: A method of operating a system (1) having a first controller (2) to which a second controller (3) is connected, wherein the first controller (2) is connected via a data link (4) to the second controller (2) and exchanges data therebetween, and the first controller (2) is connected to the second controller (3) via a power link (5) and supplies the second controller (3) with power from a power source (7), characterized in that a sensor (8) of the first controller (2) is used to measure the current flow via the power link, and that the current flow is influenced by means of a load (13) of the second controller (3) for the purpose of data transmission between the two controllers (2 and 3) via the power link (5).

Abstract: A method of operating a system (1) having a first controller (2) to which a second controller (3) is connected, wherein the first controller (2) is connected via a data link (4) to the second controller (2) and exchanges data therebetween, and the first controller (2) is connected to the second controller (3) via a power link (5) and supplies the second controller (3) with power from a power source (7), characterized in that a sensor (8) of the first controller (2) is used to measure the current flow via the power link, and that the current flow is influenced by means of a load (13) of the second controller (3) for the purpose of data transmission between the two controllers (2 and 3) via the power link (5).