S-911 Personal Locator™ is a portable GPS tracking device that can be used as an emergency cellular phone. Designed with the most robust enclosure and user friendly keypad, S-911 is a easy to use personal tracking device. The S-911 sends alerts in the event of an emergency to Location Servers, to a pre-defined email address, to any number via SMS or 911 voice phone call. Alerts include Time, Date, Speed, Heading and Location of a person in distress.. For more info on GPS Tracking visit:.