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Standard
| SJ 20689-1998 General specification for tactical digital radio relay equipment (English Version) |
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Detail of SJ 20689-1998
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Introduction of SJ 20689-1998
本规范规定了军用技术数字接力机（简称设备）的分类、要求、质量保证规定和交货准备等内容。
本规范适用于频段为225～400MHZ、400～600MHZ、610～960MHZ、1350～1850MHZT和4400～500MHZ的军用战术数字接力机的研制、制造、检验和验收。
Contents of SJ 20689-1998