标准简介
This part of GB/T 20851 specifies general application specifications,general technical requirements of key devices,On Board Equipment(OBE) data structure,application interfaces,application security and transaction procedures for the DSRC devices for ETC. This part is applicable to ETC system for highway and Electronic Charging System for urban roads,and also can be refered for Automatic Vehicle Identification(AVI),vehicle entry and exit management and other fields.英文名称：Electronic toll collection—Dedicated short range communication—Part 4:Equipment application
标准状态：现行
替代情况：替代GB/T 20851.4-2007
中标分类：电子元器件与信息技术>>计算机>>L65系统设备接口
ICS分类：信息技术、办公机械设备>>35.200接口和互连设备
发布部门：State Admi.
发布日期：2019-05-10
实施日期：2019-12-01
出版日期：2020-07-01
页数：68页
前言
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