Iridium is the first truly global satellite network for telecommunications. Its 66 cross- linked Low Earth Orbit satellites form a worldwide grid only 780 km (485 miles) above Earth. The Iridium telephone system provides truly global spot beam coverage for satellite telephones, and it also offers unique cross-protocol roaming facilities for all existing telephone systems. Only Iridium offers complete coverage of even the most remote points on Earth – oceans, land masses, airways, and even Polar Regions – and a comprehensive range of portable and fixed wireless product.