cable television equipment, namely, antennas, audio/video signal tuners, optical transmitters, optical receivers, television modulators, hand held television and home communication terminal remote control units, transmitters and receivers for fiber-optic signals, fiber-optic switches and controllers, amplifiers, (including trunk amplifiers, system amplifiers, distribution amplifiers, line extender amplifiers, binding amplifiers), digital and analog signal modulators, multiplexers, decoders, encoders, receivers, digital file services, radar, electronic encryption and decryption units, signal couplers, signal transceivers, signal converters, electronic reading decompliers, satellite low noise amplifiers, electronic satellite communication processors, integrated receivers/decoders, antennae and headend apparatus for receiving and/or distributing signals over land lines or airwaves; coaxial and fiber optic cable, home communications terminals, signal distribution apparatus, signal splitters, video receivers and low noise amplifiers, cable system signal transmitters, antennae for sending and receiving signals via satellite, radar antennae, remote sensing apparatus, satellite communication ground station apparatus, frequency converters, digital analysis apparatus for monitoring and testing utility and telecommunications transmission and signals, utility load management monitoring apparatus, power usage control apparatus, ground-based microwave transmission analysis apparatus