วันจันทร์ที่ 8 มิถุนายน พ.ศ. 2552

What is the difference between cdma & GSM mobile phone ?

What is the difference between cdma & GSM mobile phone


CDMA phones don't use SIM card like GSM phones do. CDMA carriers in the U.S. require proprietary handsets that are linked to one carrier only and are not card-enabled. As for GSM phones, the handsets uses removable SIM card. The SIM itself is tied to the network, rather than the actual phone. Phones that are card-enabled can be used with any GSM carrier.


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