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| 文档标题： | TETRA Release 1 |
| 发布时间： | 2012-09-05 21:13:04 |
| 文档简介： | The original TETRA standardfirst envisaged in ETSI was known as the TETRA Voiceplus Data (V+D) standard. Because of the need to further evolve and enhance TETRA, the original V+D standard is now known asTETRA Release 1.An overview of the n |
