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Article Data
- Article Ref
- 5943-QUOA-0987
- Written By
- N1Wireless
- Date Created
- Tue, 17th Mar 2009
- Updated By
- N1Wireless
- Date Modified
- Wed, 18th Mar 2009
Article Actions
GSM vs CDMA
Question
What is GSM? GSM vs CDMA?
Answer
GSM is a type of digital mobile phone service that utilize SIM cards, including T-Mobile, Cingular, or AT&T. The other network in the U.S. is CDMA, including Verizon, Sprint, etc.
Just about every other country in the world primarily or only use GSM network. Unfortunately, the two different systems are not compatible with each other.
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