Radio Frequency IDentification (RFID) systems have been in use in libraries for five years for book identification, for self checkout, and for sorting and conveying of library books and AV materials. These applications can lead to significant savings in labour costs, enhance customer service, and lower book theft and can provide a constant record update of media collections. In this paper the components and technical features of a modern RFID library system are desired to provide a guideline for the evaluation of different system. There are still many issues that must be addressed before RFID hits the big time like bar codes have some of those issues include: new technology for efficiency in operations, looking back at bar codes, electromagnetic security systems, IT infrastructure to handle large amounts of data etc. finally, discusses the advantages and disadvantages of RFID system in libraries and this technology has been introduced in few Indian libraries too.
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