A system for tracking files and documents includes: a plurality of programmable networked tags operable at a low radio frequency not exceeding one megahertz; a plurality of files with the programmable networked tag affixed to each file; a container for the plurality of files; a base station configured for transmission of signals to and from the plurality of programmable networked tags; and a computer in communication with the base station. The computer includes software for enabling real-time transmissions and a graphical user interface for enabling a user to read and write data to be transmitted to and from the plurality of programmable networked tags.