telecommunication equipment, namely, radio telephones, radio [ pagers and ] message units; [ telecommunications gateway ground stations having a satellite transceiver, terrestrial telecommunication network connection hardware, and computer hardware and software for transmitting signals between telecommunication satellites and public and private telecommunication networks; data networking hardware and ] computer software for interconnecting multiple satellite telecommunication ground stations; data base management software for telephone caller identification authentication and telecommunication system billing of use; [ satellite telemetry tracking and control station having computing hardware and software for tracking and controlling satellites; a telephone network control station having computer hardware and ] software for registration, verification, billing, network data base distribution and network management of a telecommunications network [; and telecommunications satellites ]