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.

Acronym Guide

327 Terms, Page 1 of 82


Second Generation
A cellular telecom network that uses second-generation wireless technology. Such networks digitally encrypt phone conversations, and allow data services including SMS text messages.


Third Generation
A cellular network that uses third-generation wireless technology based on standards that support wireless voice telephony, mobile and fixed internet access, video calls, and mobile TV. Such networks are capable of data transfer rates of at least 200 Kbps and as fast as 21 Mbps.


Third Generation Partnership Project
International collaboration among telecommunications associations, with the purpose of developing and maintaining the Global System for Mobile Communications (GSM) specification for 3G mobile networks.


Fourth Generation
A cellular network that uses fourth generation wireless technology to deliver mobile broadband internet access in addition to voice and text messaging. Two synonymous 4G systems are commercially deployed: Mobile WiMAX an Long Term Evolution (LTE). LTE is the predominant system in the U.S.

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