Data over cable, digital video and wireless broadband products, namely, modulators, QAM modulators, demodulators, edge decoders, radios, mpeg processors, frequency translators, transmodulators, upconverters, routers, ethernet serial servers, splitters, modems, wireless interfaces, gateways, antennas, cables, cable connectors, cable assemblies, lightning arrestors, power supplies, power cords, switches, and parts and fittings therefor