GSM : While international roaming, the GSM cards allow the user to make cal

What is the main difference between GSM & CDMA?

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Answer Posted / sorubamoorthy.s

GSM : While international roaming, the GSM cards allow the user to make calls to any part of the world due to their dominance in the market.

CDMA: CDMA Phones are not of much help in case of international roaming, because they are not card based phone.

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