YDB 087-2012.Technical Specification for regional spatial emergency communicatio...

行业标准2023.08.07

YDB 024-2008.Test methods of fixed wiress access system interface protocol: Air...

行业标准2023.08.06

YDB 034-2009.Security requirement of telecommunication network.1范围YDB 034报告定义了电信...

行业标准2023.08.06

YDB 025-2008.Technical requirements of semiconductor laser assembly for optical...

行业标准2023.08.06

YDB 026-2008.The Technical Requirements for Enterprise Applications based on Par...

行业标准2023.08.06

YDB 027-2008.The Technical Requirements for Personal Applications based on Parla...

行业标准2023.08.06

YDB 017-2008.Technical Requirements of Network Attachment Subsystem in Next Gene...

行业标准2023.08.06

YDB 018-2008.Technical Requirements on PSTN/ISDN Emulation Subsystem in Next Gen...

行业标准2023.08.06

YDB 020-2008.Requirement on Mobile Location Service in 2GHz TD SCDMA Systems.1范围...

行业标准2023.08.06

YDB 021-2008.Security technical requirements for 2GHz TD-SCDMA/WCDMA and Wireles...

行业标准2023.08.06