The device has at least one bi-directional transceiver for wireless data exchange with various devices and a processing unit connected to a transceiver via an interface. The processing unit has an outer region for converting data with different transmission protocols via associated drivers into data in a common format and an inner region connected to the outer region via an internal standard interface for processing the data in the common format. The device has at least one bi-directional transceiver (E1) for wireless data exchange with various devices (G1,G2) and a processing unit (2) connected to a transceiver via an interface. The processing unit has an outer processing region (3) for converting data with different transmission protocols via associated drivers into data in a common format and an inner processing region (4) connected to the outer region via an internal standard interface for processing the data in the common format. AN Independent claim is also included for the following: a data exchange method for building systems between a processing unit and a various devices via at least one transceiver.
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