9 attenuator pads, test clips, baluns, splitters, couplers, amplifiers, modulators, block converters, switches, power supplies, surge protectors, AC adapters, computer connectors, TV switches, antennas, chassis mounts, adapters, coaxial connectors, terminators, wall plates, alligator clips, breadboards, cable, cable assemblies, line testers, telephone cords, remote controls, power strips, PA horns, security monitors, security cameras, security lenses, scanners, drop taps, telephone connectors, wiring ducts and batteries, not including articles particularly designed for medical diagnostic ultrasound imaging