9 Locating, tracking, security, and retrieval systems comprised of computer hardware, downloadable software, downloadable computer application software for mobile phones, location services for mobile phones, and radio telecommunications equipment, all for use in connection with locating, tracking, anti-theft, and management for mobile assets in the nature of keys or key fobs; Wireless transceivers with collection and display technology for locating, tracking and monitoring vehicle keys; Wireless electronic tags for tracking of mobile assets in the nature of keys or key fobs, namely, portable tracking units comprising wireless data transceivers, global positioning satellite receivers, processors, sensors, namely, temperature, pressure and acceleration sensors, and recorded computer software that combine GPS, cellular technologies and location services software for determining tag location information and environmental information, for transmitting the tag location and environmental information, for transmitting alert messages when a tag moves beyond a preset geographic area; Wireless tracking devices featuring short-range wireless communication and long-range wireless communication technology; Apparatus for localization using short-range radio frequency triangulation, short-range radio frequency trilateration, long-range radio frequency triangulation, and long-range radio frequency trilateration