| Long Range UHF RFID Tag with a Rectangular Metallic Cavity Structure |
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Jun-Ho Yeo |
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School of Computer & Communication Engineering, Daegu University |
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| Abstract |
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A long range UHF RFID tag with a rectangular metallic cavity structure is proposed for various applications with metallic objects. The proposed tag consists of a rectangular metallic cavity structure and a folded dipole antenna which is located on top of the cavity. The tag is designed for Korean UHF RFID band(910~914 MHz) and the bandwidth, which satisfies the -10 dB input reflection coefficient requirement, is approximately 1.3 %(904~916 MHz). Measurement demonstrates that the proposed tag shows long reading range up to 15 m when it is placed on a metallic plate. |
| Key words:
RFID, UHF, Tag, Long Range, Metallic Cavity |
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