1. A system for asset tracking and management using radio frequency identification (RFID) tags, comprising: a data server; a plurality of radio frequency identification (RFID) tags configured to be respectively attached to a corresponding plurality of assets, each RFID tag being configured to transmit an RFID tag ID code uniquely associated in the data server with asset data describing an asset that corresponds thereto; and an RFID tag reader configured to receive a signal containing the RFID tag ID and forward to the data server the tag ID with an RFID tag reader ID to the data server via a first network, the data server being configured to determine location information for the asset corresponding to the RFID tag ID based on a coverage zone of the RFID tag reader; and a client device which is connected to the data server, and includes a display device configured to display a plurality of user-selectable data queries corresponding to stored asset data, and search results for stored data that corresponds with a selected user-selectable data query.