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GB/T 20851.1-2019 English PDF (GBT20851.1-2019)

GB/T 20851.1-2019 English PDF (GBT20851.1-2019)

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GB/T 20851.1-2019: Electronic toll collection -- Dedicated short range communication -- Part 1: Physical layer
This Part of GB/T 20851 specifies the basic requirements for the physical layer of dedicated short-range communication of electronic toll collection, as well as the downlink and uplink technical requirements. This Part is applicable to the electronic toll collection system on the highway and city road; while the automatic vehicle identification, vehicle access management, and the like fields can use for reference.

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