(GSM, originally "Groupe de travail Sp?ciale pour les services Mobiles") One of the major standards for digital cellular communications, in use in over 60 countries and serving over one billion subscribers. The GSM standard is currently used in the 900 MHz, 1800 MHz and 1900 MHz bands. GPRS allows circuit switched data communications over GSM, and is widely used for World Wide Web and electronic mail access from cellular devices. GSM World . (2005-01-26)
