| GSM History |
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| – | 1978
- Europe allocated 2 x 25 MHz spectrum in 900 |
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| MHz
range for mobile communications |
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| – | 1982
- Groupe Special Mobile formed under CEPT |
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| (French
acronym for European Conference of Posts and |
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| Telecommunications) |
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| – | 1987
- GSM Memorandum of Understanding (MoU) |
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| signed
by first members, which includes agreements |
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| between
operators for roaming, numbering and routing |
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| aspects,
tariffs and accounting. |
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| – | 1988
- GSM transferred to newly formed ETSI |
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| (European
Telecommunication Standards Institute) |
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