GSM - Global System for Mobile Communications
GSM - Global System for Mobile Communications
An international standard for digital cellular, pioneered in Finland in 1991. Originally defined as a pan-European standard for a digital cellular telephone network, to support cross-border roaming, GSM is now one of the world's main digital wireless standards. Uses TDMA air interface. Can be implemented in 900 MHz, 1800 MHz or 1900 MHz frequency bands.
