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 GSM 

Definition

Total communication system for a mobile use

Description

Technology GSM is used to offer a mobile telephone call. It functions according to three different frequencies: GSM-900 MHz (SFR and Orange in France), GSM-1800 MHz (Bouygues Telecom in France) and GSM-1900 (network not developpé in France, mainly in the USA (what explains the marketing of the telephones tri-bands). The network is composed emetteurs (antennas relay) fixed, and recepteurs (telephones) mobile. They covers approximately 50 % of the French territory. It is accessible by 80 % from the population. terminal GSM is accompanied by a chart SIM (Subscriber Identity Module - Module of identification of Subscriber), tool of personalisation of the communications and a code PINE (Personnal Identification Number - Access code to chart SIM) essential code with the use of chart SIM on network GSM.

Author

Anwar Hossain

Author Email

anwtele@yahoo.com

References

GSM World - the website of the GSM Association
GSM World - Roaming
GSMArena.com - GSM reviews, opinions, votes, manua

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