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The CF3 concept introduced by Sierra Wireless, and its companion product the snap-in socket, are a significant step forward in enabling the user to test multiple types of units on a single board. The snap-in socket, when handled correctly, is a robust and flexible tool to enable this but it does need to be handled properly with units being inserted and removed correctly. Otherwise it can result in fatal damage to the lid, socket, and potentially the unit. This video walks through this process to make sure the correct procedure is applied.

Within mobile networks there are different ways of being attached to a 3GPP PLMN (public land mobile network). This video explains the different types of attach statuses and how they can affect and influence data connections you are using.

SMS is still the ultimate backup mechanism for sending data in several systems. It is universally available and not dependent on several of the systems that IP might be in the case of a significant outage. This video shows how to use AT commands to send an SMS.

This document describes the AirPrime HL78xx Series Development Kit Rev4 (PCB board version: 5303247) and how it integrates with the AirPrime HL78xx series of embedded modules via a specific snap-in connector.