computer software; computer software for use in the telecommunications industry; telecommunications equipment and electronic communications products; digital telephones; wireless telephones; cellular telephones; personal communication systems; global positioning satellites; handheld radios; pagers; telephone calling cards, including pre-paid telephone calling cards; computer software for use by telecommunication subscribers and user manuals and instruction books sold as a unit; personal digital assistants; audio recording devices; video recording devices; transceivers; digital signal processors; base stations; network interface cards; personal base stations