SparkFun SPX-16394 Qwiic Iridium 9603N allows to send and receive short messages that are far beyond the reach of WiFi and GSM networks. The Qwiic module comes with an Iridium 9603 modem and is equipped with an antenna and power supply requirements. The modem’s serial interface is translated into I2C commands by the ATtiny 841 microcontroller. The Qwiic Iridium is designed to utilize the 9603N short burst data modem on Qwiic projects. This module is the updated model of the Qwiic Iridium 9603N version 1 with a variety of DFM changes and reinforced glued connectors.