What does GSM Stands for and what is meaning of Triband or 900/1800/1900 mhz in GSM phones?
GSM Global System of Mobile Communications, the most widely used digital mobile phone system. The GSM systems family also includes GSM 1800 and GSM 900. There are different phases of roll-out for the GSM system and GSM phones are either phase 1 or phase 2 compliant. Phones having all the three frequency are called Triband or World GSM phones. GSM 1800 Also known as DCS 1800 or PCN , GSM 1800 is a digital network working on a frequency of 1800 MHz. It is used in Europe, Asia-Pacific and Australia. GSM 1900 also known as PCS 1900, GSM 1900 is a digital network working on a frequency of 1900 MHz. It is used in the US and Canada and is scheduled for parts of Latin America and Africa. GSM 900 GSM 900, or just GSM, is the world’s most widely used digital network and now operating in over 100 countries around the world, particularly in Europe and Asia Pacific.
