Electronic tracking devices comprised of radio frequency modules, computer software and computer hardware, sensors, transmitters, receivers, and transceivers, all for use in connection with monitoring, management, and tracking of objects and freight shipments in transportation systems, the monitoring of which consists of monitoring temperature, humidity, pressure, light exposure, and movement conditions; computer hardware for tracking the location of objects and freight shipments; computer software used to determine shelf life of products based upon supply chain conditions encountered by products in transit; computer software for geolocation; computer software for tracking objects and freight shipments using electronic tracking devices; computer software for tracking objects and freight shipments via radio frequency; computer software for locating, managing, and using an electronic tracking device and for providing alerts and notifications concerning the location of an electronic tracking device; downloadable computer software for users to enter, access, track, manage, monitor, and generate information regarding a mobile communications device and an electronic tracking device; downloadable software in the nature of a mobile application, namely, software for tracking electronic devices, objects and freight shipments; computer software that shares information and data between electronic devices within a community of users; computer hardware and software system for tracking objects using tracking devices; computer hardware and software for logistics management and supply chain management