本标准描述了使用GSM/UMTS小区广播服务来广播WEA消息，并包括将WEA应用层消息映射到小区广播服务消息结构。本标准支持FCC报告和命令16-127以及FCC复议命令17-143的要求，是对ATIS-0700006的更新。v002。

This Standard describes the use of the GSM/UMTS Cell Broadcast Service for the broadcast of WEA messages and includes the mapping of WEA application level messages to the Cell Broadcast Service message structure. This Standard supports the requirements of the FCC Report & Order 16-127 and the FCC Order on Reconsideration 17-143 and is an update to ATIS-0700006.v002.