Iridium system using the 66 LEO satellites provides global coverage. Using Ka type relays between the satellites calls through Iridium network can be dispatched to the recipent without routing to the land earth station.
The Iridium network provides broadband services via Iridium Pilot terminals which are designed to meet harsh conditions. These terminals could provide;
Easy installation and maintenance
E-mail, browsing etc.
Voice calls (3 simultaneously)