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2G vs 3G vs 4G vs 5G

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GenerationTechnology standardRadio access technology
1G – First GenerationAMPS, NMT, TACS, J-TACS, C-NetzFDMA
2G – Second GenerationGSM, D-AMPS, IS-95Combination of TDMA & FDMA, and Narrowband CDMA
3G – Third GenerationUMTS (WCDMA) and CDMA2000Wideband CDMA and Narrowband CDMA
4G – Fourth GenerationLTE (Long Term Evolution)OFDMA and SC-FDMA
5G – Fifth GenerationNR (New Radio)OFDMA

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

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