What is the main difference between GSM & CDMA?

Answer Posted / dastoger bashar from banglades

CDMA:Storage Type:Internal Memory.3G standard

GSM:Storage Type:SIM Card,uses fdma & tdma.3G standard

Dominance&USE: CDMA -->Dominant standard in U.S.
GSM -->except the U.S.

CDMA-->Code Division Multiple Access(Faster than GSM)
GSM-->Global System for Mobile communication3G standard

Global market share: CDMA-->18% GSM-->82%

SIM-->Subscriber Identity Module (SIM) containing the user's
subscription information and phone book.
In GSM only 30 or 35 peoples can call at at time in a
singal carrier but In CDMA apprx 70 peoples can call in a
singal carrier at a time.

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