Communications and networking hardware, namely cable modems, multiplexers and controllers, and wireless apparatus for use in multi- channel, point-to-point, and point-to-multipoint communication; and components thereof, namely circuit boards and very large scale integration components; and computer software for the operation of all of the above; computer hardware and operating software for use in the transmission of voice, facsimile, data, video and information via cable, a worldwide computer network, internal computer networks, public switched telecommunications networks, and satellite networks