Electric and electronic components in the field of high frequency engineering, namely, attenuators, terminators, calibration kits for calibrating high-frequency electric test instruments and composed of high-frequency open circuits, high-frequency short circuits, [ high-frequency broadband loads, air lines, ] and attenuators; [ verification kits for verifying that a network analyzer is operating within a specified performance and composed of attenuators, air lines, a variable impedance, and verification disks; ] calibration devices for calibrating coaxial standard test interfaces; test fixtures in the nature of an electronic apparatus for testing integrated circuits; fiber optic cables; waveguides and beam waveguides for propagating microwave electromagnetic energy; connectors in the nature of cable connectors and cable trees consisting of electric cables, cable connectors, cable harnesses; cables, namely, electrical cables; [ meters, namely, electrical meters and frequency meters; hybrid couplers for electromagnetic waves; absorbers of radio frequency electromagnetic energy; optical reflectors for radio frequency electromagnetic energy; optical windows for radio frequency electromagnetic energy; ] transmitters for radio frequency electromagnetic waves; receivers for radio frequency electromagnetic waves; couplers in the nature of pin and socket electrical circuit connectors; electronic components, namely, amplifiers, oscillators, [ electron tubes; transistors, oscilloscopes, ] electric and electronic switches, electric and electronic circuits, and connecting elements, namely, pin and socket electric/electrical connections; electric cables; fiberglass electric cables; fiber optic cables; cable trees consisting of electric cables, cable connectors, cable harnesses; electric cable connectors; fiber optic connectors; coaxial electric connectors; electric cable couplings; cable electric sockets; [ electric cable distributor housings; electric cable protective housings; electric cable splicing modules being splices for electrical transmission lines; electric cable chutes being sheaths for electric cables; electric cable mounts, namely, mounting racks for electrical cables; ] electric and electronic components for automotive vehicles, namely, cable connectors, printed circuit board connectors, panel connectors, cable assemblies, and printed circuit board layouts; [ radio frequency test adaptors for automotive vehicle factory use; ] radio frequency calibration kits for automotive vehicle factory use comprised of calibration devices for calibrating coaxial standard test interfaces [ ; apparatus for transmitting and recording words and images; blank magnetic data carriers; data processing equipment and computers; and machine readable data carriers in the nature of prerecorded CD-ROMs featuring programs installed for electronic data processing and teaching engineers in the field of automobile electronics ]