GB/T 21646-2008
ActiveTechnical specification and testing methods for analog public radio interphone on 400MHz band
400MHz频段模拟公众无线对讲机技术规范和测量方法
Application Summary AI generated
This standard specifies the technical requirements and testing methods for analog public radio interphones operating in the 400MHz frequency band. It is applied in the design, production, and quality inspection of consumer-grade walkie-talkies used for short-range, license-free public communication in China. The standard ensures device compliance with national radio regulations, covering parameters like transmit power, frequency tolerance, and audio performance.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.