Delivery: 3 seconds (Download full-editable-PDF + Invoice). Quotation: Click GB/T 20851.1-2019>>Add to cart>>Quote Editable-PDF Preview (Reload if blank, scroll for next page)
See Chinese contents: GB/T 20851.1-2019 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.
