network interface, management, and routing devices; network hubs, switches, and routers; wireless local area network interface cards; personal computers with network interface devices therefor; network application software, namely, software to provide for wireless single or multiple-user access to the Internet,to intranets, or to global computer networks for the transfer and dissemination of information; software and electronic hardware for providing telecommunications services, namely data, voice, video, and audio transmission services, in buildings having single or multiple users; telecommunications hardware and software to transmit voice and data information concurrently; wired and wireless network interfaces to provide site-specific connectivity to the Internet, to intranets, or to global computer networks; circuit boards; circuit containing equipment that inputs electrical signals to twisted pair wires; and circuit containing equipment that recovers electrical signals from twisted pair wires