What is GSM?
| Technology: | GSM (Global System for Mobile Communications) |
| Purpose: | Digital cellular telephone system; most-used system worldwide |
| Frequency: | 900MHz, 1,800MHz, 1,900MHz |
| Range: | Determined by host network |
| Speed: | Determined by host network |
| Devices: | GSM-enabled cell phones, PDAs, pagers |
| Compatibility: | Not compatible with CDMA, TDMA networks |
| Global System for Mobile Communications |
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GSM is the name of a land mobile pan-European digital cellular radiocommunications system. GSM stands for Global System for Mobile Communications, which is basically the mobile phone network as we know it. It is a worldwide standard, operating in more than 170 countries and supports not just voice communications but also text messaging and data transfer. GSM now provides a viable cost alternative to traditional 'land-lines' and the popularity of the networks is testament to the quality of service, coverage and value for money provided. For remote monitoring systems it means that wire free systems can easily be fitted in all corners of the globe, mobile applications can be easily accommodated and the instrument can be moved from one piece of equipment to another with the minimum of fuss. GSM is one of the leading digital mobile telephone system in the world and belongs to the technology of the second generation or so-called 2G. GSM network was first introduced in 1991. At the end of the last century GSM standard was established in more than 100 countries worldwide and became 'de-facto' mobile communications standard in Europe and Asia. Moreover comparing with NMT-450?, the set of standard services, the main difference of GSM standard is a digital transmission of voice, messages and other data that provides a high quality and greater degree of subscriber confidentiality. The most popular and up-to-date GSM-900 and GSM-1800 standard were established in 1992 and were installed as euro standards. UMC launched the network of GSM-900 standard in 1997 and GSM-1800 - in the early 2001. With the help of GSM double standard phones , supporting both GSM-900 and GSM-1800 you take benefits of both standards! A double standard phone connects automatically to the network providing the best possibilities for reception, more powerful signal and high quality if communications. In Ukraine except UMC such companies as 'Kyivstar GSM' and URS - 'Ukrainian Radio Systems ' (WellCOM) also operates in GSM-900 standard and in standard GSM-1800 - Golden Telecom and 'Kyivstar GSM'. However comparing with 'Kyivstar GSM', Golden Telecom and URS UMC company provides the widest coverage in Ukraine and international roaming, greater number of additional services and advantages. |
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