Near-Field UHF wireless coupling may be used to write data into a non-volatile memory in a device, thus allowing for changes to be made to the device after that product has been manufactured. The business process meta-model includes control flow elements pertaining to a control flow of the business process, and annotation elements providing details for the control flow elements. MHC class I-restricted, tumor-specific Th cells are obtained by the method, allowing for the production of cells that react with tumor cells expressing an MHC class I molecule and show a helper activity and an antitumor activity. Alternatively, the transmitter may retransmit only the unsuccessfully transmitted data packet along with a new data packet which replaces a successfully transmitted data packet.