Wikipedia
Zoombak
Zoombak Inc was a U.S.-based company which developed GPS tracking devices for people and items. It used satellite-enabled GPS and a location network server for tracking. In 2011, Securus, Inc. acquired Zoombak, LLC from TruePosition, Inc., a subsidiary of Liberty Media.
In March 2015 it was announced that BrickHouse Security acquired Securus, including Zoombak and related brands.