IT'S fair to say that global development of cellular telecommunications began with second generation, or 2G technology, in 1995. Code Division Multiple Access (CDMA) and Global System for Mobile Communication (GSM) are the best known examples of 2G technology. This generation is supported by different transmission speeds.

Using 2G technology as a basis, the next development resulted in what is popularly referred to as 2.5G. Examples of this i