Where is GSM Used?
If you live in the United States, you might not know very much about GSM, because it’s the predominant system in Asia and Europe. It works on TDMA, and has three frequencies bands – 900 MHz, 1800 MHz, and 1900 MHz. It’s a second generation wireless network, and stands for global system for mobile communications. The GSM 1900 band is the one that is seen most often in North America. If you travel internationally, you’ll need a phone that can work both in North America and also in Europe and Asia, so asking about GSM is something you’ll want to be sure to do. If you don’t know the terminology, though, you could end up with a phone that isn’t going to give you what you want. That’s not a good thing, naturally, and it’s something that can be avoided just by learning a little about cell phones and asking the right questions.
Most people who live and work in Europe just automatically use GSM phones, but not all phones that are sold in the United States have this capability, because the US runs on a different frequency in most areas. However, there are plenty of phones that offer SIM cards and GSM technology, meaning that you don’t have to have a phone with a major carrier. You can simply buy the phone, and you can get a Vodafone or other European SIM card in Europe to use in your American phone. When you return to the US, simply switch that card out for a card from an American carrier. This is a great way to use your GSM phone all over the world, generally without a problem.
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