Control device for coupling an antenna arrangement of a motor vehicle to at least one vehicle component of the motor vehicle for an exchange of messages with off-board objects , including: - an antenna connection device for connecting the antenna arrangement , - a first radio module for providing a first radio link via the antenna arrangement to at least one of the objects on the basis of a first radio standard, - a network connection device (PHY) for coupling the control device to the at least one vehicle component , - a second radio module for simultaneously providing a second radio link via the antenna arrangement to at least one other of the objects on the basis of a second radio standard differing from the first radio standard, - a processor device for receiving at least one of the messages via the first radio link and for receiving at least one other of the messages via the second radio link , and - a receiver device for receiving a time signal of a Global Navigation Satellite System (GNSS), characterised in that - the control device is configured to transmit some of the messages with time data, which are generated on the basis of the time signal ; wherein - the processor device includes a synchronisation unit configured to determine respective time data (A, B, C, D) for each received message , wherein the time data are generated in the control device through detection of a respective time of receipt of each message, and to forward the received messages in a sequence determined by the time data (A, B, C, D) to the at least one vehicle component , and - the processor device is configured to provide a respective dedicated protocol stack for each radio module . - an antenna connection device for connecting the antenna arrangement , - a first radio module for providing a first radio link via the antenna arrangement to at least one of the objects on the basis of a first radio standard, - a network connection device (PHY) for coupling the control device to the at least one vehicle component , - a second radio module for simultaneously providing a second radio link via the antenna arrangement to at least one other of the objects on the basis of a second radio standard differing from the first radio standard, - a processor device for receiving at least one of the messages via the first radio link and for receiving at least one other of the messages via the second radio link , and - a receiver device for receiving a time signal of a Global Navigation Satellite System (GNSS), characterised in that - the control device is configured to transmit some of the messages with time data, which are generated on the basis of the time signal ; wherein - the processor device includes a synchronisation unit configured to determine respective time data (A, B, C, D) for each received message , wherein the time data are generated in the control device through detection of a respective time of receipt of each message, and to forward the received messages in a sequence determined by the time data (A, B, C, D) to the at least one vehicle component , and - the processor device is configured to provide a respective dedicated protocol stack for each radio module . <EOS>