A satellite phone (also called a satellite telephone or satphone) is a type of mobile phone that connects to the public switched telephone network through orbiting satellites instead of terrestrial cell sites. While cellular telephone service companies rely on cell towers, satellite service functions even in areas without terrestrial network coverage but require line-of-sight to a satellite.
A satellite phone (also called a satellite telephone or satphone) is a type of mobile phone that connects to the public switched telephone network through orbiting satellites instead of terrestrial cell sites. While cellular telephone service companies rely on cell towers, satellite service functions even in areas without terrestrial network coverage but require line-of-sight to a satellite.
Source: Wikipedia "Satellite phone" · CC BY-SA 4.0
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