what is the difference between GSM and CDMA format phones?? can they work on either's network?

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what is the difference between GSM and CDMA format phones?? can they work on either's network?

are the networks compatible?

2007-03-26 13:26:07 · 2 answers · asked by Anne M 1 in Consumer Electronics ➔ PDAs & Handhelds

2 answers

GSM - (Global System for Mobile Communications) format phones usually have the Subscriber Identity Module (SIM), commonly known as a SIM card, while the CDMA (Code-Division Multiple Access) format phones do not have SIM cards. and they cannot work on either's network. GSM is digital.

2007-03-26 14:19:06 · answer #1 · answered by Ola 4 · 0⤊ 0⤋

They use different frequencies.

2007-03-26 21:27:46 · answer #2 · answered by Ben D 3 · 0⤊ 1⤋