What is a GSM Cell Phone

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GSM Cell Phones
GSM Cell Phones

A GSM Cell Phone is one that uses GSM Technology to transmit voice and help communication. According to an estimate, over 80% of mobile cell phones worldwide use GSM cell phone technology. Cell Phone Carriers like T-Mobile and AT & T lead the list of GSM Cell Phone services

What is GSM?

GSM, a cellular network, stands for Global System for Mobile communications and is a widely used cell phone technology worldwide. GSM uses digital technology and is a second-generation (2G) cell phone system.

GSM mobile cell phones get connected by searching for cells in the immediate vicinity.

There are five different cell sizes in a GSM network—macro cells, micro cells, pico cells, femto cells and umbrella cells with a base station antenna in macro cells.

GSM networks operate in a number of different frequencies ranging from 900 MHz or 1800 MHz bands.




Why GSM?

There are a number of reasons why GSM technology is preferred over CDMA. Following are some of the advantage of GSM Cell Phones:

1. GSM is much more advanced and reliable than CDMA. It transmits better signals, hence better voice quality.

2. GSM offers the advantage of using SIM (Subscriber Identity Module) cards of any career that the customer wishes to use. In CDMA cell phones, the SIM is attached to the cell phone itself.

3. The SIM card used in a GSM cell phone can be used as a digital identity with all kinds of data stored in it.

4. Easy exchange of contacts and other information from one phone to another.

5. GSM Global Network makes roaming around the world much easier without you having to miss any of those important phone calls.

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