The availability of cheap mobile phones shows the increasing importance and the great spread of GSM technology. Although GSM phones were once considered the possession of a little current setters are now many many people around the world.
Acronym GSM Global System for Mobile Communication technology, wireless phones are used throughout the Middle East, Europe, Asia, United States, Canada and Africa. If you have a phone that works in most places in the world, there are three things to look for: GSM tri-band (or Quad-Band) GSM and, above all, a triband GSM unlocked.
