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Encyclopedia > Satellite modem
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It has been suggested that this article or section be merged with satellite dish. (Discuss)


A satellite modem or satmodem is a modem used to establish data transfers using a communications satellite as a relay. Wikipedia does not have an article with this exact name. ... Jump to: navigation, search This article needs to be cleaned up to conform to a higher standard of quality. ... Jump to: navigation, search A modem (a portmanteau word constructed from modulator and demodulator) is a device that modulates a carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. ... The movement of data from one location to another is called data transfer. ... Jump to: navigation, search U.S. military MILSTAR communications satellite A communications satellite (sometimes abbreviated to comsat) is an artificial satellite stationed in space for the purposes of telecommunications. ... Relay is also the name of a series of medium-altitude satellites; the first of which was launched in 1962. ...


There are two different types, both employing the Digital Video Broadcasting (DVB) standard as their basis: DVB, short for Digital Video Broadcasting, is a suite of internationally accepted, open standards for digital television maintained by the DVB Project, an industry consortium with more than 300 members, and published by a Joint Technical Committee (JTC) of European Telecommunications Standards Institute (ETSI), European Committee for Electrotechnical Standardization (CENELEC...

  • One-way satmodems (DVB-IP modems) use a return channel not based on communication with the satellite, such as telephone or cable.
  • Two-way satmodems (DVB-RCS modems, also called astromodems) employ a satellite-based return channel as well; they do not need another connection. DVB-RCS is ETSI standard EN 301 790.

See also: VSAT Jump to: navigation, search A telephone handset A touch-tone telephone dial Telephone Complex relay used in a telephone switching system. ... Cable television or Community Antenna Television (CATV) (and often shortened to cable) is a system of providing television, FM radio programming and other services to consumers via radio waves transmitted directly to people’s televisions through fixed coaxial cables as opposed to the over-the-air method used in traditional... The European Telecommunications Standards Institute (ETSI) is a standardization organization of the telecommunications industry (equipment makers and network operators) in Europe, with worldwide projection. ... Jump to: navigation, search The word standard has several meanings: Originally, standard referred to a conspicuous object used as a rallying point in battle. ... VSAT is short for Very Small Aperture Terminal. ...


External links

  • Some one-way satmodem PCI cards and USB external boxes.
  • Some astromodem cards.
  • Emitor Satellitemodem F-10.

  Results from FactBites:
 
Satellite modem - Wikipedia, the free encyclopedia (139 words)
It has been suggested that this article or section be merged with very small aperture terminal.
A satellite modem or satmodem is a modem used to establish data transfers using a communications satellite as a relay.
One-way satmodems (DVB-IP modems) use a return channel not based on communication with the satellite, such as telephone or cable.
  More results at FactBites »

 
 

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