What is the difference between GSM and CDMA?

Answer by  scwriter007 (254)

Global System for Mobile Communications (GSM) allows mobile phone users to roam and change carriers without changing phones. GSM uses digital technology for both signaling and voice. About 80% of all cell phones use GSM. Code Division Multiple Access (CDMA) is a radio mutltiplexing technology that allows multiple users to share the same bandwith and reduces interference.

Answer by  AZAR (7)

In cellular service there are two main competing network technologies: Global System for Mobile Communications and Code Division Multiple Access Cellular carriers including Sprint PCS, Wireless, Verizon and T-Mobile . Understanding the difference between and will allow to choose a carrier that uses the preferable network technology for your needs.