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(Inmarsat plc, London, A satellite communications company that provides voice and data services to the maritime, transportation and aeronautics markets as well as providing general Internet access from any location on the globe with its Broadband Global Area Network (BGAN). Formerly International Maritime Satellite, Inmarsat was founded in 1979 as a British intergovernmental organization (IGO) to serve the maritime industry. It became a private company in 1999 and a public company in 2005. See BGAN.


(Broadband Global Area Network) A mobile satellite network service launched in 2005 from Inmarsat plc that allows users around the world to connect to the Internet or a corporate network. The two geostationary (GEO) Inmarsat-4 satellites provide a secure VPN for both packet-switched and circuit switched services for simultaneous voice and data at approximately 500 Kbps. Especially useful where telecom/cellular networks are poor or non-existent, the remote user needs only a laptop and a small, portable BGAN terminal device to connect.

Regional BGAN
The precursor to BGAN, Regional BGAN (R-BGAN) is an IP-based service for email and Internet access. R-BGAN provides a shared 144 Kbps channel across Europe, Asia and Africa. See Inmarsat and GEO.

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