Satellite modem

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A satellite modem or satmodem is a modem used to establish data transfers using a communications satellite as a relay.

There are two different types, both employing the Digital Video Broadcasting (DVB) standard as their basis:

  • 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

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External links

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