Check the listing for details. SHOUT ts HANDHELD IRIDIUM TRACKER. Condition: Used. Listed at 135.00 USD. SHOUT ts HANDHELD IRIDIUM TRACKER. The SHOUT ts offers a variety of services including:  Normal Tracking — programmed to automatically wake up and send a position report at a set interval ranging from once a minute to once a day.  Emergency Alert — sends alerts to a designated monitoring center using a 911 button. The monitoring center and the user can then communicate to define further specifics of the emergency.  Free-Text Messaging — sends free-text via four different sets of on-screen keyboards.  Canned Text Messaging — sends canned messages in short codes to save bandwidth instead of the entire message body.  Waypoint Tracking — sends and/or saves waypoints for later retrieval.  Check-In — allows a quick check-in message to be sent using a single soft key.