A wireless communication device includes a processing module, a receiver section, a transmitter section, and an antenna system. The system further includes an element to convert an input narrow spectrum beam generated by the laser light source to a broadband sample measurement beam that is focused onto the sample. An image forming device includes a marking fluid ejector that includes a drop size symbol based on the marking fluid ejector’s drop size relative to one or more fixed drop sizes. A plurality of first contact mask layers and a plurality of first dummy mask layers may be formed on the interlayer insulating layer. In this scheduling process, at least one of selection of: i) receiving node, to which a second data packet is to be forwarded; ii) a type of the data in the second packet; andor iii) a data flow, to which the second packet belongs, is performed based on the quality information. The remote central service center monitors the received events and states for errors or warnings.