By June 12, 2015 No Comments

Code Division Multiple Access
A 3G digital cellular technology that, unlike its competitors GSM and TDMA, does not assign a specific frequency to each mobile user. Instead, every channel uses all available spectrum, with conversations encoded via a pseudo-random digital sequence. In the U.S., cellular carriers Verizon and Sprint use CDMA for 3G, whereas AT&T and T-Mobile use GSM. However, 4G LTE is supplanting 3G, so the CDMA and GSM distinction is becoming less important.

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