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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 4137-2022 |
Functions, performance requirements and test methods of home 4K high-definition IPTV set-top box WLAN and other same-frequency or similar-frequency wireless transmission based on telecommunication network {译} 基于电信网的家庭4K高清IPTV机顶盒WLAN和其他同频率或相近频率无线传输的功能、性能要求和测试方法 |
China Telecommunication Industry
Standards 4 wireless |
 English PDF |
| YD/T 1644.4-2020 |
Electromagnetic exposure to the human body from wireless communication equipment for hand-held and body-worn use - Human body models, instruments and procedures - Part 4: Specific absorption rate (SAR) evaluation procedures for body-worn wireless communic {译} 手持和身体佩戴使用的无线通信设备对人体的电磁照射 人体模型、仪器和规程 第4部分：肢体佩戴的无线通信设备的比吸收率（SAR）评估规程（频率范围30MHz～6GHz） |
China Telecommunication Industry
Standards 4 wireless |
English PDF |
| DL/T 698.44-2016 |
(Electrical energy information acquisition and management system - Part 4-4: Communication protocol - Micropower wireless communication protocol) 电能信息采集与管理系统 第4-4部分：通信协议—微功率无线通信协议 |
China Electricity & Power
Standards 4 wireless |
English PDF |
| YD/T 2827.4-2015 |
(The wireless communication RF and microwave devices passive intermodulation level measurement - Part 4: Coaxial Cable) 无线通信射频和微波器件无源互调电平测量方法 第4部分：同轴电缆 |
China Telecommunication
Standards 4 wireless |
English PDF |
| YD/T 2740.4-2014 |
(Part 4 wireless communication indoor signal distribution systems: optical equipment technical requirements and test methods) 无线通信室内信号分布系统 第4部分：光纤设备技术要求和测试方法 |
China Telecommunication
Standards 4 wireless |
English PDF |
| YD/T 1009-1999 |
Technical performances and test methods of FDMA wireless access systems for 450MHz 450mhz fdma无线接入系统技术要求和测量方法 |
China Telecommunication
Standards 4 wireless |
English PDF |
| TB/T 2894-1998 |
(450MHz quad-band compatible train set single duplex wireless dispatch communication equipment technical requirements and test methods) 450mhz四频组单双工兼容铁路列车无线调度通信设备技术要求和试验方法 |
China Railway & Train
Standards 4 wireless |
English PDF |
| SJ/T 10100-1991 |
Wireless calling system for Type 8409 ８４０９型无线寻呼系统 |
China Electronics
Standards 4 wireless |
English PDF |
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