MultiBand Phones From China

Multiband phones are usually categorized into:

-Ttri-band 900/1800/1900 MHz (funcationable in Asia Pacific, Europe, Africa, and most areas in North and South America.  Please check with your carrier to ensure that you coverage is not GSM850 MHz).
-Quad-band 850/900/1800/1900 MHz.  It works across the world.

For more information about GSM network frequency of a particular country or phone carrier, please visit http://www.gsmworld.com/roaming/gsminfo/index.shtml

You will find a lot of information.