GSM Cell Phone
GSM Cell Phone in All Over the World
By : Maxeka Lumuda
What is your cell phone provider? Is it the GSM (Global System for Mobile communication, in the old days called as the Groupe Special Mobile)? Or perhaps you prefer to use the CDMA? Well, perhaps, you prefer to use the GSM. The GSM has been the most popular standard for mobile phones in the world. The promoter of the GSM, the GSM Association estimates that 80% of the global mobile market uses the standard. In numbers, the GSM cell phone has been used by over 3 billion people across more than 212 countries and territories. The GSM cell phone has the ubiquity that makes international roaming very common between GSM operators, enabling subscribers to use their phone no matter where they are.
In 1982, the European Conference of Postal and Telecommunications Administrations (CEPT) crated the Groupe Special Mobile. That is the first GSM name was known. The CEPT created the GSM to develop a standard for a mobile telephone system that could be use across countries in Europe. That time was only in Europe. In 1987, a MoU was signed by 13 countries to develop a common cellular telephone system across Europe. Short story, in the end of 1993, the GSM was used in almost 48 countries with 70 different carriers. The GSM cell phone has spread to all over the world since that day. Today, over than 3 billion people use the GSM cell phone to fulfill their need in communications.
The GSM cell phone uses some different frequency ranges. It separated into GSM frequency ranges for the 2G and the UMTS frequency bands for the 3G. Most of the 2G GSM cell phone networks operate in the 900 MHz to 1800 MHz bands. Some countries use the 850 MHZ and 1900 MHZ such as the Canada and the US. They use the different frequency because the 800 MHz and the 1800 MHz were already allocated. Most of the 3G GSM cell phone networks operate in 2100 MHZ in Europe. The GSM cell phone has already something common these days. Almost every people prefer to use the GSM mobile cellular network rather then the others. They believe that the GSM cell phone has the ultimate works that surely would be very useful for the users. Some other new networks still have so many blank spots that currently never happen to the GSM cell phone. This is surely one ultimate eminence then the others cellular network that operate in all over the world.
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