Timeline
1988
GSM 900
Uplink - 890 Mhz to 915 Mhz
Downlink - 935 Mhz to 960 Mhz
GSM 1800
1710 Mhz to 1785 Mhz
1805 Mhz to 1880 Mhz
1995
GSM 1900
1850 Mhz to 1910 Mhz
1930 Mhz to 1990 Mhz
1996
120 GSM Networks
2000
150 million GSM users
Last updated