视距微波接力通信系统与空间无线电通信系统共用频率的技术要求
Frequency sharing criteria between line-of-sight radio-relay communications systems and space radio communications systems
2012-12-31
GB/T 16813-1997
无线电寻呼系统与公用电话自动交换网的接口技术要求及测试方法
Technical specifications and test methods of the interface of radio paging system and PSTN
1997-05-28
EC 522-1998
98/522/EC: Commission Decision of 17 June 1998 on a common technical Regulation for public land-based enhanced radio message system (ERMES) receiver requirements (second edition) (notified under document number C(1998) 1615) (Text with EEA relevance)
98/522/EC:1998年6月17日委员会关于公共陆基增强无线电信息系统(ERMES)接收器要求通用技术法规的决定(第二版)(根据C(1998)1615号文件通知)(与欧洲经济区相关的文本)
1998-06-17
IEEE 802.11u-2011
IEEE Standard for Information Technology-Telecommunications and information exchange between systems-Local and Metropolitan networks-specific requirements-Part II: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Amendment 9: Interworking with External Networks
IEEE信息技术、电信和系统间信息交换标准局域网和城域网特定要求第二部分:无线局域网介质访问控制(MAC)和物理层(PHY)规范:修改件9:与外部网络的互通