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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.

This Application Note describes the general structure of the Real Time Operating System implemented in Sierra Wireless modules, the RTOS features extended to developers and their restrictions, limitations and best practices to be followed when using the RTOS features.

AT Command Parser source code demonstrates and provides re-usable code showing how to subscribe and parser responses to both unsolicted and sent AT commands.

dwl and wpk files associated with Firmware 7.47.4 & Open AT Application Framework 2.37.4

Full installer for Open AT Application Framework 2.37.4

Simple Open AT sample code giving an example of managing a TCP Client socket.

dwl and wpk files associated with Firmware 7.45.5 & Open AT Application Framework 2.35.5

Full installer for Open AT Application Framework 2.35.5

This document provides Sierra Wireless customers with a full description of the APIs associated with the IP Connectivity Library.

This document provides Sierra Wireless customers with a full description of the AT commands associated with the TCP/IP and Internet Library.

This document gives an overview on using a private DNS server to resolve domain name on an AirPrime module. 

This application note describes the three types of bus services - SPI, I2C, and parallel bus - used to communicate between two or more connected devices.

This application note gives an overview of the CMUX feature for multiplexing data over serial link, and describes the Sierra Wireless implementation of CMUX. The CMUX feature allows multiple virtual ports to be created on a physical serial link (3GPP TS 27.010).