Telecommunications systems, namely, telephone, broadband, wireless, Asynchronous Transfer Mode (ATM), Internet Protocol (IP) switching exchanges, PBX, and key telephone switching exchanges; computer hardware, namely, network servers, computer terminals, processors and computer interface boards, pagers, broadband data and video apparatus for teleconferencing; microwave and local multipoint distribution devices that permit the high-speed transmission of simultaneous two-way voice, data and multi-channel video; routers, switches, hubs, transmitters, receivers, transceivers, encoders, decoders, multiplexers, modulators, demodulators, modems, converters, frequency shifters, repeaters, signal processors, and antennae; power supplies and battery chargers; telephone sets; electronic alarms for use with transmission devices to signal malfunctions, overloads, or damage; microphones; electronic filters; and computer programs for operating telecommunications and data communications systems.

Installation and maintenance of wireless broadband network equipment.