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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.

Document stating the compliance of AirPrime SL8080, SL8080T, SL8080BT and SL8081 towards IC.

Document stating the compliance of AirPrime SL8080, SL8080T, SL8080BT and SL8081 towards FCC.

This application note describes how to design a dual SIM solution. This function is used to switch between two SIMs. Two GPIOs are used to control the hardware switching between two SIMs.

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.

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

This document describes the features and specifications of the AirPrime SL808x 3G module and provides you with the information required to integrate the SL808x into your products.

The Location Library eases the integration process of GPS functionalities with AirPrime wireless modules using Open AT Application Framework OS by driving the AirPrime SL808x built-in gpsOne. It facilitates integration, minimizes memory footprint requirements, and reduces the cost of the complete design.

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 application note provides an introduction to MMS to educate the reader on the system architecture, and then explains how to use it on Sierra Wireless products.

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.

In this video tutorial we discuss how to develop a wireless gateway optimized for M2M applications.

In this video tutorial, one of our field application engineers discusses how to optimize the architecture of a vehicle tracking box.

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).