GSM Mobile Phones

Global System for Mobile Connection or in short GSM is a recent improvement in the mobile technology. GSM enabled mobile telephones have a tiny processor chip and it is called as “SIM” card and it has been designed manually. This SIM greeting card provides the potential to store a phone number which number will be given by the service supplier. Additionally, it contains other information like phone book and also some additional information about the registration. There are various frequency bands used to operate the new GSM feature. GSM Mobile

Frequencies of GSM

There are specific frequency bands like nine hundred MHz, 1800 MHz and so on used in GSM phones. Different frequency bands have been used in several countries. The companies of this GSM feature also differs from country to country. The main thing to be looked at while you choose a handset in this regard is the capability to support the consistency band of the service provider. 

If your GSM enabled phone has the ability to work together with any of the GSM service provider, may be to be an ‘unlocked GSM phone’ with the support of the frequency band of the phone. Nonetheless it has to get the support of the frequency strap of your handset. Although in practice, every GSM phones has been locked with a specific service. In such cases you could not the get the service of other providers. There are two rate of recurrence bands are being used often. That they are:

o Tri-band

This sort of band includes frequencies like 900 MHz, 1800 Megahertz and 1900 MHz. You may use this tri-band frequency all over the world especially in the North America.

o Quad Band

This kind of type of band gets the stuff to cover all kind of bands from 850 to 1900 Megahertz. The quad band mobile phone models are capable to work with all kind of GSM service providers.

A faster GSM wireless service is EDGE. EDGE is increased Data GSM Environment. This network can deliver data up to 384 kbps speed and it is based on the GSM standard and uses TDMA.