To communicate with the outside through an optimum radio communication channel in which a plurality of application units can be used by providing a communication platform capable of connecting one or a plurality of application units mounted on a vehicle side to a plurality of available radio communication channels.
This system has a plurality of application units 1 for a telematic application, a plurality of radio communication channel terminals 2a to 2d for different radio communication channels 3a to 3d and a central communication platform unit 4 connecting the units 1 to the terminals 2 in a changeable way. A system part of a vehicle side performs communication with a plurality of service providing equipment 5 outside the vehicle via the channels 3a to 3d. Then, it is possible to utilize the most advantageous radio communication channel among the channels 3a to 3d.
LENART SIEGLEIF
SPANEY ROGER
STARMAN FRANK
