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History of mobile communication (2G (1990-2000, 900MHz, digital signals, 1…
History of mobile communication
1G
1980-90
analog
2kbps
first wireless
2G
1990-2000
900MHz
digital signals
1.8GHz
GSM
3G
2000-10
16-20 GHz
2Mbps
digital broadbands
CDMA, EDGE
4G
100MHz
2-8GHz
LTE
2010-2020
1Gbps