Standards GB - Chinese national standards - Page 590

Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level. Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document

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GB/T 15844-2017

General specification for professional radio transceiver employing F3E emission in the mobile services

Standard published on 29.12.2017

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GB/T 15845.1-1995

Performance requirements of audiovisual terminals--Frame structure for a 64 to 1920kbit/s channel in audiovisual teleservices

Standard published on 13.12.1995

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GB/T 15845.2-1995

Performance requirements of audiovisual terminals--Frame-synchronous control and indication signals for audiovisual systems

Standard published on 13.12.1995

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electronic design (pdf) (250.80 USD)

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GB/T 15845.3-1995

Performance requirements of audiovisual terminals--System for establishing communication between audiovisual terminals using digital channels up to 2Mbit/s

Standard published on 13.12.1995

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electronic design (pdf) (1174.80 USD)

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GB/T 15845.4-2003

Performance requirements of audiovisual terminals--Narrow-band audio visual system and terminal equipment

Standard published on 17.1.2003

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