Nowadays, there is an indisputable and unstoppable trend to use RF identification in a number of applications, such as supply chain management, public transportation, access control and many more. The use of this technology entails a number of advantages over barcode technologies such as tracking people, items and equipment in real time, non-line of sight requirement, long reading range, standing harsh environments, etc. Recently, the combination of RFID with sensory systems has extended the applications of RFID to environmental monitoring or healthcare applications.
Battery-free temp sensors based on RFID tags
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