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CDMA and GSM Sim Cards

jb100

Corporate Services
Business Angel
Sep 19, 2009
215
0
16
The physical looks of both types of Sim Cards used in Mobile Handset is almost the same.But technology is different. CDMA (Code Division multiple Access) is an advanced form of Mobile communication where as GSM(Global System for Mobile) is old age traditional Mobile communication system.Maintaining a CDMA network is costlier than GSM.How do you further differentiate between these two Mobile communication system?