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See Chinese contents: GB/T 20851.5-2007 GB/T 20851.5-2007: [including 2012XG] Electronic toll collection -- Dedicated short range communication -- Part 5: Test methods of the main parameters in physical layer
This Part specifies the main test equipment of main parameters in physical layer of electronic toll collection (ETC) - dedicated short range communication (DSRC), and recommended characteristics, test conditions and test methods of accessories.
