Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Computer equipment, namely, wireless cards; Computer hardware, namely, wireless access point (WAP) devices; Computer hardware, namely, wireless network repeaters; Computer network bridges; Computer network hubs, switches and routers; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and computer operating software; Ethernet repeaters; Modems; Network routers; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; USB wireless routers; Wireless routers; Computer hardware, namely, wireless network extenders