Standard Number: YD/T 3550-2019(YD/T3550-2019)
Chinese:车载宽带语音通信设备传输性能要求和测试方法
English:Requirements and Test Methods for Transmission Performance of Vehicular Broadband Voice Communication Equipment
Effective Date:2020-01-01
Standard Applicability:This standard applies to communications operating enterprises of communications bureaus (stations) and data centers, such as electricity, water, oil, gas and other types of energy consumption measurement and collection and on the basis of the composition of different scale levels of energy consumption monitoring system. Office buildings, business halls and other places can refer to the implementation.
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