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Enabling process transparency and allowing asset-monitoring in the supply chain, RFID technology today is also most commonly applied in the following areas:
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Item tracking & tracing
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Satellite tracking can identify an item associated tag's location when RFID technology is coupled to satellite communication technologies like GPS. |
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Limited range active or passive tagging is useful only when the tag is read at a choke point which takes into consideration the tag's read restrictions. |
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Mostly used in supply chain management, RFID technology solutions have clearly demonstrated positive results associated with increased supply chain visibility at the pallet and case levels. |
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Being able to track hazardous materials results in increased public safety and less environmental pollution. |
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Airline baggage tracking from check-in to loading is an emergent application in this category that is presently being examined and validated. | |
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Inventory monitoring & control
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Smart shelves in retail stores or even warehouses are equipped with readers monitoring the presence of individual items to reduce out-of-stocks for the retailer, enabling inventory management and localization, and countering shoplifting to a certain extent. However, caveats in read rates, item-level tagging and business logic configuration render this application exploratory in the retail business. |
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Parts inventory management in the aerospace and automotives industries requires the storage and processing large amounts of data that only RFID can resolve. Monitoring repair history, in-process history and part identification eliminates errors and increases quality control. | |
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Asset monitoring & management
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In fleet monitoring and management, both active and passive tags can be used to accurately and automatically capture data in real-time, and communicate it instantly to customers, management and operational personnel. Fleet resources are easily located, controlled and used to enhance fleet life and to improve operations. |
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Low frequency RFID is used in animal tracking to monitor their behaviour, and more importantly to trace their pedigree for easier identification of food source contamination and enhanced quality control. |
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In healthcare, RFID is used to prevent newborn kidnappings in hospitals, and it also allows the monitoring of patients and of hospital assets. | |
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Anti-theft
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In automotive anti-theft immobilization, an embedded reader inside the car becomes activated when a driver turns on the ignition key, and reads a valid code from tag in the vicinity (usually in the ignition key). Generally low frequency passive RFID tags are used, but as thieves are adapting to technological change, RFID anti-theft applications use a combination of active and passive tags in a multiple authentication step protocol. |
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Widely deployed in retail, the Electronic Article Surveillance (EAS) tag is part of a cheap, reusable, simple anti-theft method that triggers an audible or visual alarm when the tag is in one of its two possible states. | |
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Electronic Payment
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Close proximity electronic payment passes contain a passive low frequency tag that allows a fast, easy, cashless, secure method of electronic payment at participating gas stations. |
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Electronic toll payments, and thus toll traffic flow, are facilitated with a pass mounted on a vehicle's windshield containing a semi-passive tag that features a unique customer ID, displays account status and battery level. | |
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Access control
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Generally embedded in an ID badge, a 13.56 MHz passive tag is used within parking access systems to grant or deny access to the parking area. |
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In perimeter and building security systems, passive tags spanning from 125 KHz to the UHF range transmit a unique ID to central control via RFID readers. The permissions granted for each ID can be granted or revoked dynamically for each particular access facility by the central control system. | |
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Anti-tampering
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Authentication of products like pharmaceuticals ensures that they have not been altered in any way. Drug anti-tampering consists of creating an electronic seal around a drug container using a passive RFID tag to detect and report any tampering if the seal/tag is moved even a little. |
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Smart shipping containers are used to move the world's cargo. In conjunction with intelligence and automated information, the active RFID tags within these secure containers can function as real-time anti-tampering detectors, revealing present location, inventory content, and cargo condition immediately. | |
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The full potential of RFID is yet to be defined as new RFID applications are emerging every day to meet industrial, commercial, and societal needs as they arise.
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