UHF RFID tags offer a low cost and easy to install solution for asset tracking that provides a granular view of assets as they move about a site. Generally used for tracking mobile assets, passive UHF RFID tags communicate with RFID readers via electromagnetic waves. The reader and antenna direct electromagnetic radio waves to the RFID tags which are within close proximity. The radio waves form a current which activates the integrated circuit (IC). The IC then modulates the energy with its data stored in its memory and directs a signal back out through its antenna.