land mobile radio satellite service
21Pirate radio — For other uses, see Pirate Radio (disambiguation). Pirate radio is illegal or unregulated radio transmission. The term is most commonly used to describe illegal broadcasting for entertainment or political purposes, but is also sometimes used for… …
22Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
23Multi-Use Radio Service — In the United States, the Multi Use Radio Service (MURS) is an unlicensed two way radio service similar to Citizens Band (CB). Established by the U.S. Federal Communications Commission in the fall of 2000, MURS created a radio service allowing… …
24Improved Mobile Telephone Service — The Improved Mobile Telephone Service (IMTS) is a 0G pre cellular VHF/UHF radio system that links to the PSTN. IMTS was the radiotelephone equivalent of land dial phone service. It was introduced in 1969 as a replacement to Mobile Telephone… …
25Coast radio station — A coast (or coastal) radio station is an on shore maritime radio station which monitors radio distress frequencies and relays ship to ship and ship to land communications. See also Marconi Station Utility station KPH A preserved RCA coastal… …
26Community radio — is a type of radio service, that offers a third model of radio broadcasting beyond commercial broadcasting and public broadcasting. Community stations can serve geographic communities and communities of interest. They broadcast content that is… …
27List of amateur radio organizations — Amateur radio organizations have been important from the earliest days of radio communications. In the early days, there was a very pragmatic reason for this. Amateur radio stations did not have a very wide range, so messages would often have to… …
28Global System For Mobile Communications — Cette page concerne la norme GSM, pour l appareil homonyme voir téléphone mobile. Générations et normes de téléphonie mobile 0G PTT MTS IMTS AMTS 0,5G Autotel/PALM ARP 1G NMT AMPS Hicap CDPD Mobitex DataTac TACS …
29Global System for Mobile Communications — Cet article concerne la norme GSM. Pour l appareil électronique homonyme, voir téléphone mobile. Global System for Mobile Communications (GSM) (historiquement « Groupe spécial mobile »[1]) est une norme numérique de deuxième génération… …
30Global System for Mobile communications — Cette page concerne la norme GSM, pour l appareil homonyme voir téléphone mobile. Générations et normes de téléphonie mobile 0G PTT MTS IMTS AMTS 0,5G Autotel/PALM ARP 1G NMT AMPS Hicap CDPD Mobitex DataTac TACS …
