China 'TB/T 3380-2021 ' Industry standard english version:

中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

TB/T 3380-2021

Issued Date:2021/5/28

Implemented Date:2021/12/1

Issued by:

The Standardization Administration of the People's Republic of China

GB Standard Code	TB/T 3380-2021
Standard Category	China Railway Transport Industry Standards
GB Standard English Title	Railway Digital Mobile Communication System (GSM-R) interface Gn interface (between SGSN/GGSN and SGSN/GGSN)
GB Standard Chinese Title	铁路数字移动通信系统（GSM-R）接口 Gn 接口（SGSN/GGSN 与 SGSN/GGSN 间）
Chinese Version Price	$5.00 per 1 page
English Translation Fee	$15.00~$30.00 per 1 page
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