We are all aware that mobile phone technology consists of two main technologies CDMA & GSM, Code Division Multiple Access (CDMA) and Global System for Mobile Communication (GSM).
GSM (Global System for Mobile communications) is an open, digital cellular technology used for transmitting mobile voice and data services. GSM services offers a number of features such as Clear voice quality, High security, Data support including web browsing and SMS.
Not only GSM, CDMA also offers some of the features which are offered by GSM, which may include multimedia messages; video, high-speed Internet access, fax, integrated voice mail, digital camera and even PDA function. GSM users and subscribers enjoy an unparalleled privacy, fraud detection services and blazing high speeds.With a GSM phone, you can call practically anywhere in the world! GSM provides wider international roaming capabilities & apart from that it provides its users with affordable roaming charges & also various facilities, it allows for any roaming charges to be automatically billed to their accounts.
The best U.S. carrier is T-Mobile which is recognized worldwide for its GSM service. The GSM standard also provides separate facilities for transmitting digital data. This allows a GSM cell phone to act like any other computer on the Internet. Thus one can send & receive data via internets. GSM uses SIM cards in the US, allowing porting phones to different models without having new cell phone activation service.
From the above points we gathered that GSM is equipped with many boasting features such as roaming capabilities than other U.S. network technologies. GSM carriers have roaming contracts with other GSM carriers and mostly cover rural areas in comparison to competing CDMA carriers. GSM is a Second Generation cellular phone; GSM withstands CDMA and it has its roots in Europe.
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