Dish antennas; fibre-optic cables; optical fibres; receivers of electronic signals; transmitters and receivers for audio and video signals for transmission over twisted pair cables; radio transmitters and receivers; apparatus for transmitting radio programmes and radio relay messages; relays for radio and TV stations; satellite transmitters and receivers; global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; satellite navigational system, namely, a global positioning system (GPS); signal splitters for electronic apparatus; multiplexers; electric couplings; fibre optic couplings; computer hardware, namely, wireless network repeaters; computer network adapters; ethernet repeaters; repeaters for radio and television stations; computer hardware, namely, communications servers; monitor signal amplifiers; wireless adapters for computers; network routers; computer network bridges; computer network hubs; monitor signal amplifiers; amplifiers for wireless communications; broadband wireless equipment, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; ethernet adapters; power adapters for computers; gateway routers in the nature of computer control hardware; mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; audio processing equipment, namely, limiters and compressors; electricity limiters; 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