| GHz |
Gigahertz. One billion radio waves, or cycles,
per second. Equal to one thousand Megahertz. |
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| GMPCS |
Global Mobile Personal Communications via Satellite.
A group of proposals for advanced satellite based systems to
extend the coverage afforded by terrestrial cellular systems
and aiming to provide world-wide coverage of mobile services.
Three projects called Iridium, Globalstar and ICO came out from
it. |
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| GPRS |
General Packet Radio Systems. GPRS is hailed as
the 2.5 for mobile phones and will be with us from the beginning
of 2001. GPIs will give you a permanent connection at about
50kbps or so to your mobile phone. |
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| GPS |
Global Positioning System - A worldwide radio-navigation
system that was developed by the US. Department of Defense.
In addition to military purposes it is widely used in marine,
terrestrial navigation and location based services. |
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| GSM |
Short for Global system for Mobile Communications,
it is the mobile phone platform used in Europe and much of the
rest of the world- though it is not mainstream in the USA. Dual
band phones are capable of operating on other bandwidths aboard. |
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