GB/T 20851.1-2007
AbolishedElectronic toll collection - Dedicated short range communication - Part 1: Physical layer
电子收费 专用短程通信 第1部分：物理层
Application Summary AI generated
This standard specifies the physical layer parameters for dedicated short-range communication (DSRC) between roadside units (RSUs) and on-board units (OBUs) in electronic toll collection (ETC) systems. It defines key technical requirements such as operating frequency bands, modulation methods, data rates, and transmission power levels to ensure reliable wireless communication. The standard is applied in the design, testing, and deployment of ETC equipment for highway tolling and vehicle access control systems in China.
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