In at least one embodiment of the present invention, an airbag module for a motor vehicle is provided. Besides, the lock body further has an indicator, which can be shifted to a different position after the lock body is unlocked by the key. The hollow cylindrical structure encases the magnetic field generator and attracts magnetic particles on an external surface of the hollow structure using the magnetic field. The radio frequency switch activates a first antenna of the plurality of antennas as an active antenna in response to an antenna control signal sent from the controller. An apparatus for forwarding data and a forwarding network are disclosed as well. The method includes determining at least one activity level associated with said at least one first session and allocating memory to the at least one first session based on the at least one determined activity level.