This video walkthrough demonstrates how to retrieve NMEA frames from modules like the EM/MC74. All required AT commands are reviewed and demonstrated.

In embedded designs CMUX is a popular mechanism to use where an external PPP dial-up connection is used rather than the onboard IP stack. This allows the application firmware to have the connection up while still performing other operations on the unit such as querying network status, etc. This video walks through the tools that can be used on a Linux system to start CMUX, and its operation.

EN45545-2 Declaration of Conformity for the AirLink XR90

This page includes regulatory approval documentation for the EM9190, EM9191 and EM7690.

This document describes methods for upgrading HL78 Series firmware.

RV50X CCC Certificate for China RV50X CCC Certificate for Vietnam

This page includes approved operator images comprised of FW and Configuration files. Packages are available for the EM7411, EM7421, EM7421B, EM7431, MC7411, MC7421, and MC7431.

This document describes the features and specifications of the AirLink GL7605 and GL7611; and provides step by step procedures on how to setup and configure it.

Link to the AirLink Telemetry User Guide.