Radio Technologies
Radio technologies provide the connection between mobile devices and the Internet or corporate LAN.
GSM, CDMA, and TDMA
These are the primary technologies used as the transport for mobile phones, and they are often referred to as 2G because they embody the second generation of mobile communications networks (1G being analog service). Most networks in the United States are based on CDMA or TDMA, whereas most of the rest of the world relies on GSM. The details of these technologies are relatively unimportant from a software developer's point of view, except to know that the very existence of these competing standards makes it difficult to create applications that function across the spectrum of phones and networks. Generally, ...
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