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University of Illinois Eyes Its Assets at Engineering, Computer Labs
Reltronics Technologies' RFID system alerts the Chicago Police Department if an asset leaves its designated building.
Feb 13, 2008—The University of Illinois at Chicago is expanding its RFID asset-tracking system to its Science and Engineering Office (SEO) building, following two months of testing at the campus' Grant Hall. The system, provided by Reltronics Technologies, enables the college to monitor the movements of laptop computers, iPods, projectors and other assets, and to sound an alarm at the Chicago Police Department's university branch if an item is taken from the building.
According to Cynthia Herrera Lindstrom, the school's assistant director of academic computing and communications, the RFID-based system is replacing the school's existing fiber-optic solution, which had been cumbersome and too confining. The fiber-optic system included a wired loop connected to the assets, physically holding them in place in the room in which they were housed. A person trying to steal an item needed to cut the wire, alerting the school that a theft was in progress.
However, says Reltronics Technologies' president and CEO, Sanjay Ahuja, this created problems when the school needed to remove an item for maintenance. In such a scenario, the individual taking the item first needed to advise the school that the item was going to be removed, then shut the system down before taking the item and follow the same process when returning it. In addition, Lindstrom says, the school wanted Grant Hall assets to be mobile, allowing, for instance, a student to take a laptop out of a classroom and sit in the lounge in the same building to work. The fiber-optic cable did not allow that.
The new system employs Wavetrend 433 MHz battery-powered RFID tags, which comply with the ISO 18000-7 standard. In the three-story Grant Hall building, 17 Wavetrend RFID readers, installed in December 2007, send tag data to Reltronics Technologies' "Smart Instrument" middleware, which calculates the tag's distance from the reader and pinpoints an item's location down to the room level.
If an individual begins walking away with a tagged asset, the detection of the tag's signal by another reader signifies that the asset is being moved. An alarm triggers if someone holding a tagged asset passes unusually quickly from one reader to the next—in which case the system deduces the item is being stolen—or if a tagged item comes within 20 feet of an exterior doorway.
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