GSM is a Global System for Mobile communications. It is the most widely used of the three digital wireless telephone technologies (TDMA, GSM, and CDMA). GSM service is available in more than 200 countries and territories around the world, making it truly a global standard for wireless communication.
GSM technology offers many benefits to users. One of the biggest advantages is that it allows for roaming between countries. This means that subscribers can use their phones in other countries without having to change SIM cards or phone numbers. Additionally, GSM networks are very efficient and offer good voice quality thanks to their digital signal processing capabilities. Another big benefit of GSM technology is its security features – calls are encrypted which makes them much more secure than traditional analog systems.
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