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基于数字蜂窝移动通信网的即按即说业务(PoC)总体技术要求
价格:¥0.00
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甚高频地空通信地面系统 第1部分:话音通信系统技术规范
General specification for ground equipment of VHF air-ground communication Part 1: Technical specification for VHF equipment
价格:¥0.00
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公安移动通信网警用自动级通信系统.工程验收技术规范
Technical specifications for engineering acceptance of automatic mobile communications for public security
价格:¥0.00
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公路GSM/CDMA数字紧急电话系统
GSM/CDMA emergency telephone system for highway
价格:¥0.00
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数字视距微波无线电设备的互通性和性能要求
Interoperability and performance standards for digital LOS microwave radio equipment
价格:¥0.00
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短波单边带通信设备互通性和性能要求
Interoperability and performance requirement for short wave single-sideband communication equipment
价格:¥0.00
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炮兵阵地通信指挥系统无线电台通用规范
General specification of radio for artillery position communication command system
价格:¥0.00
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短波探测发射机通用规范
General specification for short wave sound transmitter
价格:¥0.00
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短波、超短波电台保密机无线密钥分配协议
Protocol for wireless key distribution of HF or VHF/UHF radio secret set
价格:¥0.00
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800MHz CDMA 数字蜂窝移动通信系统设备总技术规范:基站部分
Technical Specification of 800MHz CDMA Digital Mobile Communication System:BSS Part
价格:¥0.00
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