| Feature | Iridium | Globalstar | Thuraya | Coverage | Global | Global except parts of Africa, SE Asia and Central America | Europe, North Africa, Middle East and Indian Sub Continent. | Voice service | Yes | Yes | Yes | | Quality of Voice | Good | Good | Since the service uses geosynchronous orbit, there will be considerable transit delay in voice response. | Data service | Yes | Yes | Yes | Max data rate | 2.4k (up to 10kbps compressed) | 9.6k | 9.6k | | Satellite Used | LEO (Low Earth Orbit) | LEO (Low Earth Orbit) | Geosynchronous orbit. | | Mobile Internet Access | Supports Internet access using a personal computer at rates 2.4 Kbps or upto 10Kbps compressed. | Supports mobile Internet access using personal computer or pda. Mobile data communication is possible using certain handsets including QUALCOMM GSP-1600, Telit SAT-550, Telit SAT-600 | Supports WAP in its mobile satellite phone. |
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Note: Please visit the manufacturers websites for accurate and current information.
