Antennas; signal band filters, TV antennas, antenna mounting apparatus, antenna matching transformers, amplifiers and preamplifiers, antenna mixers, splitters, tap-offs, head-end assemblies, couplers, cable television converters, receivers for receiving cable television, television transmitters, remote controls for TV antennas, audio modulators, video modulators, television tuners, power supplies, combiners, electrical sockets, transmission line combiner-filters, transformers, voltage surge suppressors, intercoms, wireless telecommunications transmitters and receivers, electric buzzers, anti-intrusion alarms, electric door chimes, wireless electronic visitor signal chimes, electronic cables, electric plugs, electrical connectors, electric switches, voltage stabilizers, television decoders, signal band separators, electric field intensity meters, signal level meters, data processors, video cassette recorders, DVD players, DVD recorders, television receivers and DVD-VCR combos; parts, fittings and accessories for all the aforesaid goods