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Study of the 900 MHz Near Field RFID System for the Jewelry Management  

Lee, Jin-Seong (유비쿼터스 신기술 연구센터)
Lee, Kyoung-Hwan (유비쿼터스 신기술 연구센터)
Chung, Chung-You (대구대학교 정보통신공학부)
Abstract
A fixed 900 MHz near field RFID system is developed to provide information; market efficiency, jewelry information and the circulation history information in real time, to the customers. The developed RFID system for the jewelry management consists of a reader, antenna and a CPU in a integrated type. The system size is $38\;{\times}\;25\;{\times}\;19\;cm^3$, the operated frequency band of the reader antenna is 905 ~ 926 MHz. The maximum gain of the embedded reader antenna is 5.1 dBii(@ 910 MHz). Honeycomb tag manufactured by RSI Co. is suitable for the jewelry management than another other commercial near field tags. The tagging method and the tagging location of Honeycomb tag are suggested. In the suggested system, the maximum reading range is about 16 cm, and the zone with 100 % recognition rate is 10 cm from the radom of the reader antenna.
Keywords
RFID; 900 MHz;
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  • Reference
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2 K.Finkenzeller, RFID Handbook, 2nd Edition, John Wiey & Sons, England, 2003.