Ground Control Iridium GO! Satellite Terminal - Global WiFi Hotspot for Smartphones Phone  Email  SMS Texting  Web Browsing, and much much more. The Iridium GO! is like a portable cell tower for your smart devices. It eliminates no cellular coverage period. It ships with a Ground Control Iridium GO! SIM Card to let you choose any GO plan offered. SMS Texting. Send and receive instant messages using the Iridium GO App. Send to both phone numbers or email addresses instantly. A great way to text when out of cell range. Email - File Attachments  Web Browsing. Send and receive email to your new @myiridium.net email address, and include files and photo attachments. Web browsing uses the Opera Mini or WebX browser App to connect to any webpage, including webmail. And while it is slow at 2.5 Kbps, it is a way to stay connected when out of cellular range. GPS Tracking  SOS Button. Set the GO to send periodic emails of your exact GPS location to anyone. GPS tracking is an excellent way to show progress of a hiking trip, or even asset tracking. The red SOS button on the side is programmable to alert an emergency response team, or send out a text or email alert to anyone you configure it to.