This manual mainly introduces the AT commands of the HUAWEI CM series wireless modules, including standard commands and extended commands, and provides reference for wireless terminal technical developers
This manual describes the standard AT commands for Huawei CM series wireless modules. It is intended for wireless terminal technology developers who need to control and configure the modules via AT interface.
The document is organized into chapters covering voice service commands, extended AT configuration, fax parameters, CDMA parameters, packet data service commands, proprietary commands and basic AT parameters, each with syntax, parameter details, return values and examples. This manual is written in Chinese.