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Cell Phone Mysteries: What Are Dual, Tri And Quad Band Phones?

on 27 Nov  Posted by Admin  Category: General  

Submitted by chinavision
http://www.chinavision.com

The world of mobile phones is a confusing one, particularly for those wondering how to start a cell phone business, as GSM frequencies and GSM phones work in some parts of the world and not in others. So what is the background behind a GSM network? The GSM network was first suggested by a group of European technicians and policy makers in 1982. It didn't take long for consumers and phone makers to adopt the new network after it first emerged in 1991, and wasn't long before there was growing GSM coverage in an increasing number of countries.

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