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United States

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Coverage Map

  • Powered by 66 cross-linked Low Earth Orbit (LEO) satellites, offering pole-to-pole coverage
  • Provides high-quality voice and data connections
  • Shorter transmission path, stronger signals, lower latency and shorter registration time than with geostationary satellites

Please visit for more information.

  • Each satellite is linked to up to four others to ensure global coverage
  • Supported by extensive ground infrastructure
  • AST is an Iridium Tier 1 provider

Download Iridium Coverage Map

Network Services



AST put the power into the hands of their customers with My AST Portal online connection management tool.

My AST Portal

SMS Satphone

Use AST's SMS to satellite phone facility to send a free SMS to either an Iridium, Thuraya or Inmarsat satellite phone.

Send SMS