Methods, systems, and apparatuses for the use of a wireless portable avionics device in conjunction with on-board flight systems andor off-board service providers. The first comb includes a first set of tines of the same orientation. Each device has an embedded radio-frequency transponder. At least a part of the metal wire extended from each of the electrode terminals of the semiconductor elements to the tapered surface is electrically connected to the side surface wiring. An input device from a group of input devices is associated with the controller, wherein the input device generates an input signal to operate the appliance.