EM75xx and EM/MC74x1 AT Command Reference
- Jan 27, 2026
- Author: Sierra Wireless
- Version: 8
This document describes proprietary, password-protected AT commands available for the MC 9x50-based intelligent embedded modules. These commands are intended for use by OEMs, and are supplemental to the standard AT commands for GSM devices defined by the 3GPP (3rd Generation Partnership Project) in TS 27.007 AT command set for User Equipment (UE) and TS 27.005 Use of Data Terminal Equipment—Data Circuit terminating Equipment (DTE-DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (BSE).
This document describes proprietary, password-protected AT commands available for Semtech 9x50-based intelligent embedded modules.