Comparing Technologies

Today's broadband wireless data services use several different transmission specifications: some of them, including EDGE (Enhanced Data GSM Evolution) and EV-DO (Evolution-Data Optimized), are part of the latest generation of cellular telephone networks. Others use dedicated data-only wireless technologies, such as WiMAX (Worldwide Interoperability for Microwave Access).

In North America, the cellular service providers offer either EDGE or EV-DO. If your cellular carrier uses CDMA (code division multiple access) technology, its broadband wireless data service uses EV-DO; if the cellular service uses GSM (Global System for Mobile Communications), its data service uses EDGE. Both EDGE and EV-DO are sometimes called 3G (third-generation ...

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