GB/T 13621-1999 Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100~1000MHz radio relay communication systems (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 13621-1999
Replace
GB/T 13621-1992
Scope
This standard specifies the capacity series, channel configuration, main technical requirements and measurement methods of the relay communication system in the 100-1000MHz frequency band. This standard applies to the research and development, introduction, network access monitoring, engineering design, operation and maintenance of 100-1000MHz small-capacity relay communication systems.
GB/T 13621-1999 history
1999GB/T 13621-1999 Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100~1000MHz radio relay communication systems