transmission of sound and images by satellite; satellite transmission of messages; satellite transmission of data; satellite transmission services; transmission of data via satellite; communications by satellite; transmission of information via satellite; satellite transmission; satellite communication services; transmission of data, sound and images by satellite; operation of telecommunications equipment; satellite transmission of signals; transmission of data by satellite; satellite transmission of messages and data for navigation by air; satellite communication

satellite communications terminals; satellites; electronic circuits

information technology [IT] services [installation, maintenance and repair of computers, computer hardware and peripherals]