Keywords:
Band of frequencies, Base stations, CE marking, Communication systems, Communication technology, Data transfer, Earth, Earth stations, Electrical engineering, Electronic engineering, ETSI, Information processing, Information technology, Mobile radio systems, Narrow band, Outer space, Radio stations, Radio systems, Radio-relay systems, Receivers, Satellite communications, Satellite links, Satellites, Scope, Space radiocommunications, Specification (approval), Telecommunication, Telecommunication networks, Telecommunication systems, Telecommunications, Telephone networks, Transmitters