Development of CDMA

1995: IS95A 9,6kbps
1998: IS95A 115,2 kbps
2000: CDMA2000 307,2 kbps (1. Heavier voice service capacity, 2. Longer period of standby time)
2003: 1. CDMA2000 3x, 2. CDMA2000 1x EV, 1x EV-DO, 1x EV-DV

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