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2G vs 3G vs 4G vs 5G


Generation Technology standard Radio access technology
1G – First Generation AMPS, NMT, TACS, J-TACS, C-Netz FDMA
2G – Second Generation GSM, D-AMPS, IS-95 Combination of TDMA & FDMA, and Narrowband CDMA
3G – Third Generation UMTS (WCDMA) and CDMA2000 Wideband CDMA and Narrowband CDMA
4G – Fourth Generation LTE (Long Term Evolution) OFDMA and SC-FDMA
5G – Fifth Generation NR (New Radio) OFDMA

—Technologies used by 1G, 2G, 3G, 4G and 5G—