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What is the difference between CDMA and GMA?

April 26, 2017CDMA difference GMA

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What is the difference between CDMA and GMA?

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I believe you mean GSM instead of GMA. In cellular service, there are two main competing network technologies: Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA). Cell phone carriers AT&T and T-Mobile use GSM Sim cards for their networks. Verizon Wireless, Sprint and Virgin Mobile use the CDMA technology standard in the U.S.