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Highly developed technologies have taken the world to a higher level and mobiles are the major example of the same. They are becoming a sign of style and standing, of late. These days, there are many cell phones as well as mobile phone service providers present in the market. As a result, purchasing a handset has turned out to be hard. When you think of purchasing a cell phone, first thing that strikes your mind is its features as well as applications. However, selecting a network is similarly important, since each of the networks these days is associated with its individual share of special features. Even as a few have admirable rate plans, there are others that assure great connectivity, still others that are associated with superior features as well as excellent customer care service. 2 main network technologies these days are- the (GSM) and the (CDMA). Even though in terms of technology, CDMA is a lot ahead of its time, GSM offers value added features and therefore, has a bigger share in the market. GSM GSM means Global System for Mobile Communications. It was launched in the market in the middle of 1980’s and usually works in the 900 and 1800-MHz bands. The customers of GSM make use of Subscriber Identity Module (SIM) cards for the link with the service provider. SIM cards are tiny in size, with removable memories as well as hold lots of information and numbers of identification which are essential to contact any wireless service provider. SIM card is connected with the network, rather than the phone. It can be simply interchanged with a different GSM handset by just changing it. It works on the basis of Time division multiple access. TDMA allots a particular time period on a particular frequency to the GSM. Its network links are believed to be better secured than CDMA. GSM segregates its frequency bands into a lot of channels, with the intention that a large number of consumers can call through a single tower. GSM covers up to 82% of the international market. Advantages • There are several GSM Mobile Phones as well as service providers in the market. • They come with various plans with cheaper call charges, messaging facility free of charge, limited free calls and so on. • The call quality in GSM is enhanced and moreover safe than CDMA. • Numerous value-added services for example GPRS, are making GSM an ideal preference. • The utilization of power is less in GSM mobiles. • Through the tri- band GSM, one is able to utilize the phone everywhere around the world. Looking at the advantages of GSM mobiles, if you want to >.buy a mobile phone , go for a GSM one.
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