These devices offer telecommunications access via orbiting satellites, rather than terrestrial cell towers. They provide connectivity in areas where traditional cellular infrastructure is limited or nonexistent, such as remote locations, at sea, or in regions affected by natural disasters. Functionally, these phones resemble cellular devices but communicate directly with satellites in the Earth’s orbit.
The significance of this technology lies in its ability to provide essential communication channels in emergency situations and underserved areas. They facilitate vital data transmission and voice communication for disaster relief, scientific expeditions, maritime operations, and resource exploration. Early adoption focused on military and specialized applications, but technological advancements have broadened access and reduced costs, making them more accessible to civilian users.