what is GSM?

GSM, or Global System for Mobile Communications, is a cellular phone protocol that is popular in many parts of the world, and is a chief competitor to the CDMA protocol in the United States. In fact, for those who have CDMA phones, they may find if they go to other parts of the world, such as Europe, their cellular phones will not work. The GSM mobile phone standard is more popular in more places, simply because the standard has been around longer, and was considered by many to be superior to CDMA, at least initially. In the United States, GSM operates on frequencies in the range of 1.9 GHz and 850 MHz. The 850 MHz range is also used in many other countries, such as Australia and some in South America. In Europe, GSM operates in the ranges of 900 MHz and 1.8 GHZ. The ranges are not that important to consumers, who are generally more concerned about transmission speeds and reliability. The GSM system is capable of data transmission speeds of up to 9.5 kilobits per second. This used to ...  more

GSM is the worldwide standard for wireless communication with over 680 million subscribers. Approximately 71 percent of all wireless subscribers in the world use GSM. GSM is used in 179 countries with 500 providers making it the largest wireless platform in the world.As a T-Mobile customer, you can roam in more than 100 countries using over 190 different providers worldwide. You can use your dual- or tri-band T-Mobile phone and Subscriber Identity Module (SIM) card to make and receive calls around the world while maintaining the same phone number and other features.  more

GSM (originally "Groupe de travail Spéciale pour les services Mobiles".) Global Systems for Mobile Communications. Originally used mainly in Europe, has now spread worldwide to become the most widely used mobile technology in today's world. GSM is now used by over 70% of worldwide mobile subscribers and still growing.  more

The acronym GSM stands for Global System for Mobile communications. Originally developed for use in Europe, GSM now controls over 70% of the global cellular market.

GSM stands for Global Systems for Mobile. It is a European Standard for digital cellular phones and has gained wide acceptance around the world including Europe, Asia and parts of the US. The GSM system supports voice, data and short messaging. GSM is one of the most comprehensive mobile communications systems ever designed. It was also designed to be very flexible and to allow new services to be added in the future. It is the most popular mobile phone system in the world today and has the most users of any network.  more

GSM (Global System for Mobile communication) is a digital mobile telephone system that is widely used in Europe and other parts of the world. GSM uses a variation of Time Division Multiple Access (TDMA) and is the most widely used of the three digital wireless telephone technologies (TDMA, GSM, and CDMA). GSM digitizes and compresses data, then sends it down a channel with two other streams of user data, each in its own time slot. It operates at either the 900 MHz or 1,800 MHz frequency band.  more

GSM stands for "Global System for Mobiles", which is a digital technology for cellular phones. In the outer areas of Australia the CDMA network may be the best network for you as it has greater coverage in rural areas.  more

GSM (Global System for Mobile communications) is the major standard for digital communications used in 170+ countries. In North America Rogers, Cingular and T-Mobile usually provide GSM phones. GSM phones can be used in many countries around the world but the roaming rates are typically cost prohibitive.  more

GSM stands for Global System for Mobile Communications. This technology was originally developed as a pan-European standard for digital mobile telephony, but it has quickly become the world's most widely used mobile system. In Europe, Asia, and Australia, GSM operates on the 900 MHz and 1800 MHz frequencies. In North and South America, GSM occupies the 850 MHz and 1900 MHz frequencies. The Wizz SaverSIM® works with all these frequencies.  more

GSM (Global System for Mobile Communications), the most popular and widely used digital voice format in the world, is now available to you. In a growing effort to provide our customers with the latest in wireless technology, we made huge investments in the cities we serve that will ensure our network is not only the best in town, but one of the most advanced in the country. And now, with a robust GSM network in operation, we are proud to offer our customers the many benefits that come with this new and exciting technology, including: Improved coverage, national compatibility, cutting-edge phones (camera phones, polyphonic ringtones, better games), high speed data transmissions over the Cellular One network with EDGE and more!  more