Standard No.:	GB/T 20851.1-2007
English Name:	Electronic toll collection—Dedicated short range communication—Part 1:Physical payer
Chinese Name:	电子收费 专用短程通信 第1部分：物理层
Chinese Classification:	L79    Opening and system interconnection of computer
Professional Classification:	GB    National Standard
ICS Classification:	35.100.10 35.100.10    Physical layer 35.100.10
Issued by:	AQSIQ; SAC
Issued on:	2007-4-25
Implemented on:	2007-5-1
Status:	superseded
Superseded by:	GB/T 20851.1-2007/XG1-2012 Electronic toll collection―Dedicated short range communication―Part 1:Physical payer, includes Amendment 1 GB/T 20851.1-2019 Electronic toll collection—Dedicated short range communication—Part 1:Physical layer
Superseded on:	2019-12-1
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

本部分为GB/T 20851-2007的第1部分,本部分规定了用于电子收费（ETC）的专用短程通信（DSRC）物理层的技术要求。
适用于公路电子收费系统，自动车辆识别、车辆出入管理、城市道路收费等领域可参照使用。