MARCONI

COMMUNICATION AND TELECOMMUNICATION RADIOS, COMPUTER HARDWARE, EXCHANGES AND TELECOMMUNICATION SERVERS FOR THE TRANSMISSION AND RECEPTION OF VOICE, VIDEO AND DATA BY MEANS OF RADIO FREQUENCY AND OPTICAL SIGNALS; RADIO TELECOMMUNICATION TRANSMITTERS, RECEIVERS, AERIALS, MOBILE COMMUNICATION TERMINALS, TELECOMMUNICATIONS BASE STATION EQUIPMENT FOR CELLULAR COMMUNICATION NETWORKS, ELECTRIC SWITCHES, ELECTRIC RELAYS, AND ELECTRIC CONTROLLERS