China 'GB/T 38641-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 38641-2020
Information technology—Telecommunications and information exchange between systems—Media access control and physical layer specifications for low power wide area network 信息技术 系统间远程通信和信息交换 低功耗广域网媒体访问控制层和物理层规范
Issued Date:2020-04-28
Implemented Date:2020-11-01
Issued by:
The Standardization Administration of the People's Republic of China