Mobile Phone Systems: A Brief Analysis For You

| Total Words: 500

Why mobile phones sometimes become a challenge today? This happen mainly due to the existence of different incompatible mobile systems worldwide, which often mark out the entire region from others. That is, the technology on which a mobile network works totally differ from other.

To say, by much delving into the technical aspects of each system, GSM, TDMA, CDMA, NMT, D-AMPS etc are the systems using which the mobile phones work and in most case, a mobile phone from a system is not supported in other. So what all are that systems and how do they exist together in this mobile world?

Global System for Mobile Telephones (GSM)

GSM is one of the few mobile phone system widely adopted worldwide. GSM system for mobile phones is used in nearly 200 countries, from Europe to all over the World.

Technically said, the system utilizes the 900 MHz spectrum for its signals to travel over the air. GSM providers from Europe, Africa, and Asia later added additional spectrum of 1800 MHz. However, in North America, GSM service operates at 800 MHz or 1900 MHz.

The good news here for the world travelers is that most manufacturers offer Dual-band (900 and 1900 MHz),...

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