[Banus]

This is probably a dumb question, but I see people talking about GSM and CDMA a lot, and I have the 9530 Storm, which I know is CDMA, but I would like to know the difference between the two.

[Sith_Apprentice]

GSM is the world standard using Sim cards while cdma is mainly used in north America.

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[brothamoveson]

Its the type of carrier.

What is the Difference Between GSM and CDMA?

[howie]

That is a very technical question. In basic terms it is the protocol that the carrier uses and how it time slices the bandwidth for all customers using the tower.

try this link from PC Today for a starter

[jfriz81579]

GSM is the world standard using Sim cards while cdma is mainly used in north America.

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And India, and Japan, And China.