Classification Information
Electrical communications apparatus, including antennas, feeders, transformers, attenuators, detectors, equalizers, couplers, electrical filters, multiplexers, mixers, oscillators, discriminators, amplifiers, multipliers, frequency synthesizers, power combiners, power dividers, phase shifters, low noise amplifiers, power amplifiers, low noise down converters, analog-to-digital converters, digital-to analog converters, encoders, decoders, RF modems, microwave transmitters, microwave receivers, video/audio modulators, CATV line amplifiers, CATV network monitors; optical modems, optical multiplexers, optical transmitters and optical receivers
Electrical and Scientific Apparatus