GB/T 15539-1995
集群移动通信系统技术体制
Technical specifications for trunked mobile radio systems
- 实施日期
- 1995-12-01
- ICS 分类
- 33.040.01
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 274 条
GB/T 15539-1995
Technical specifications for trunked mobile radio systems
GB/T 15409-1994
Frame structure for synchronous digital hierarchy signal
GB/T 14733.11-1993
Terminology for telecommunications--Telecommnications using transmission
GB/T 14398-1993
Data communication--Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits
GB/T 14399-1993
Information processing systems--Data communication--High-level data link control procedures--Description of the X.25 LAPB-compatible DTE data link procedures
GB/T 14132-1993
Performance requirements for digital linesystems on symmetric pair cables used in telecommunication network
GB/T 14131-1993
Performance requirements for digital linesystems on coaxial pair cables used in telecommunication network
GB/T 14130-1993
Performance requirements for digital sections of metallic cables used in telecommunication network
GB/T 13995-1992
Technical requirements for TDM/FDM 60-channel transmultiplexing equipment
GB/T 13994-1992
Technical requirements for a 60-channel PCM/ADPCM transcoder equipment
GB/T 13503-1992
Generic specification for digital microwave radio relay communication equipment
GB/T 13427-1992
Performance requirement of the delta medulation equipment
GB/T 13426-1992
Reliability requirements and test methods for digital communication equipment
GB/T 13428-1992
Methods of measurement for the delta modulation equipment
GB/T 13158-1991
Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network
GB/T 13169-1991
General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4 mm coaxial cable pairs
GB/T 13168-1991
General specification for 8MHz (1800ch) carrier systems on standardized 2.6/9.5mm coaxialcable pairs
GB/T 13127-1991
Specification for interworking of chinese ideogram teletex on public telecommunication networks--The terminal equipment
GB/T 12640-1990
Methods of measurement for the digital microwave radio relay communication equipments
GB/T 12166-1990
Electrical characteristics of unbalanced voltage digital interface circuits