Friday, May 29, 2009

Characteristics of GSM Standard

Fully digital system using 900,1800 MHz frequency band.

TDMA over radio carriers(200 KHz carrier spacing.

8 full rate or 16 half rate TDMA channels per carrier.

User/terminal authentication for fraud control.

Encryption of speech and data transmission over the radio path.

Full international roaming capability.

Low speed data services (upto 9.6 Kb/s).

Compatibility with ISDN.

Support of Short Message Service (SMS).

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