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In mobile networks, an operation and maintenance center is the central location to operate and maintain the network.
There are various types of OMCs depending on the functionality:
- OMC-B (for maintaining Node B)
- OMC-R (radio. for maintaining RNC)
- UMTS OMC-U
- GPRS OMC-G
- OMC-DO
- OMC-IP
| Cellular network standards | |||||||||
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| List of mobile phone generations | |||||||||
| 0G radio telephones (1946) | |||||||||
| 1G (1979) |
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| 2G (1991) |
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| 2G transitional (2.5G, 2.75G, 2.9G) |
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| 3G (1998) IMT-2000 (2001) |
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| 3G transitional (3.5G, 3.75G, 3.9G) |
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| 4G (2009) IMT Advanced (2013) |
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| 5G (2018) IMT-2020 (2021) |
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| Related articles | |||||||||
 Telecommunication portal  Telephones portal | |||||||||
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