ePathChina Electronics Blog

Many and many of my friends are bothered a trouble that they can’t use their Mobile Phones while in other countries or areas. Really, it is a big problem for most of the businessmen and anyone who go abord. Here we ePathChina has found a solution of that troublesome problem. We have Triband / Quad-Band Cellphones to solve it.

Well, there is no doubt that Triband / Quad-Band Cellphones are necessary communicted tools for us. So what are Triband Cellphones and Quad-Band Cellphones? Obviously, Triband Cellphones are compatible with three frequency bands, while Quad-Band Cellphones are compatible with four frequency bands. Therefore, you won’t be bothered by such problems which are made by frequency bands.

Today, most telephones support multiple bands as used in different countries. These are typically referred to as multi-band phones. Dual-band phones can cover GSM networks in pairs such as 900 and 1800 MHz frequencies (Europe, Asia, Australia and Brazil) or 850 and 1900 (North America and Brazil). European tri-band phones typically cover the 900, 1800 and 1900 bands giving good coverage in Europe and allowing limited use in North America, while North American tri-band phones utilize 850, 1800 and 1900 for wide-spread North American service but limited world-wide use. A new addition has been the quad-band phone, supporting all four major GSM bands, allowing for global use.
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You know, Mobile Phones are worldwide communicated tools for all the world. As we provide all the world mobile phones with high quality and favorable prices, we’d like to have your atttention to the significant point which is really eccencial for you the consumers of Mobile Phones, or you may buy a false phone.

GSM frequency bands, are you familar with such words? GSM frequency bands, or you can call it frequency ranges, are the radio spectrum frequencies designated by the ITU for the operation of the GSM for mobile phones. There are four main GSM bands: 850, 900, 1800, and 1900. The most dominant bands in the United States are 850 and 1900, while the other two are used more in the rest of the world. And Another less common GSM version is GSM-450. Well, different sites are compatible with different GSM frequency bands.

Which GSM frequency bands are compatible with your country or site? GSM-900 and GSM-1800 are used in most parts of the world: Europe, Middle East, Africa and most of Asia. In south Americas it is in Costa Rica (GSM-1800), Brazil (GSM-850, 900 and 1800), Guatemala (GSM-850, GSM-900 and 1900), El Salvador (GSM-850, GSM-900 and 1900). GSM-850 and GSM-1900 are used in the United States, Canada, and many other countries in the Americas.

OK, the above is just an aspect of GSM frequency bands. Another super type of Mobile Phone will be introduced to you later, it’s Triband / Quad-Band Cellphone with which you will avoid some problems from the GSM frequency bands.

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