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This book will guide you through the working of Open AT with detailed step-by-step instructions. This book is also the support of the Open AT training organized regularly by Sierra Wireless, allowing developers to easily discover the world of Open AT.

Video tutorial showing step-by-step how to start a new project based on a sample code (e.g. Hello World ).

Video tutorial on new software package installation (e.g. new Open AT Application Framework release, new partner libraries, ...) in Developer Studio.

Video Tutorial on step-by-step Developer Studio installation for Open AT Application Framework

Video Tutorial on Embedded Debugging within Developer Studio.

This application note explains the Sierra Wireless implementation for PLMN selection and reselection. It also includes a PLMN reselection FAQ.

This 500-page programming guide will guide you through the workings of Open AT with detailed step-by-step instructions. We recommend using the fullscreen mode and zoom function for better reading comfort.

This application note describes the steps to open an FCM flow (V24 serial flow, GSM flow or GPRS flow) in an application. It includes a sample using a custom AT command to read data from the flash and send them to the external application using the FCM V24 serial flow.

This application note explains how to use the PCB antenna on AirPrime GSM/GPRS modules operating on the 900 and 1800 MHz frequency bands.

This application note explains how to use the PCB antenna on AirPrime GSM/GPRS modules operating on the 850 and 1900 MHz frequency bands.

Download older versions of the Open AT Application Framework and their corresponding release notes.

With this 3-day course intended for Developers using the Open AT Application Framework, we provide scheduled training course dates in Europe, South Africa, North America and Asia on a regular basis. If you have larger needs or just want a dedicated tutoring session, we also offer on-site programs.