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GSM (GLOBAL SYSTEMS FOR MOBILE COMMUNICATIONS)
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GSM is an open, non-proprietary system that has become the standard for wireless
telecommunication for more than a decade. It makes use of digital technology and
time division multiple access transmission method, both of which provide high
performance in terms of capacity and coverage.
GSM has international roaming capability providing consumers seamless service in
more than 160 countries.
GSM has also been designed with strict levels of security that makes it the
most secure public wireless standard in the world.
GSM utilizes "Smart Cards" (also known as SIM cards) which provides customers
with integrated voice, high-speed data, fax, paging and short message service
capabilities.
GSM has a large number of vendors making handsets and infrastructure which
utilize its system worldwide. This results into competition, lowered cost and more
choices for consumers.
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