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A Single-Feeding Port HF-UHF Dual-Band RFID Tag Antenna
Jun 08, 2018

A Single-Feeding Port HF-UHF Dual-Band RFID Tag Antenna


RFID Tag Antenna


In some special cases, such as logistics, inventory management and bioengineering, both short- and long-distance reading are needed. Therefore, a single RFID antenna with a dual operating frequency band is required. Combining both RFID standards on the same tag would increase this antenna’s capabilities and could lead to new applications. However, the use of two chips for two bands would increase the cost of the tag. In this paper, a single-feeding port for an application specific integrated circuit (ASIC) mono-chip is used for the dual-band RFID tag antenna.


Tamper proof evidence RFID inlay is most security method prevent counterfeit, bottle refilling, heat transferring or migrating, even the chip content security blocking configuration, to prohibit any one who attempt to produce fake brand products, especially for brand alcohol and tobacco, Jewelry ,food, medicine and automobile parts factory security or other disposable use.


After completing the designs of the HF and UHF band antennas separately, the combined HF and UHF band antenna is implemented to become a single antenna with a single-feeding port. However, the HF and UHF band antennas affect each other, which is conducive to change of the antenna characteristics. Therefore, the dual-band antenna is tuned and modified to obtain the desired operation of both frequency bands.


EM4423/Qstar-6s are two regular dual-frequency chips in the market. The chip combines two functionalities on one single die: the RAIN RFID technology used for long-range application purposes; and the NFC technology used to exchange data in close proximity. Both protocols may share a common, unique ID.is a new dual frequency chip with NFC and UHF functions,with 2 frequencies, the security will be much higher,also the label can be read by near distance and long distance.





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    Add:No.1 Xiang Hong Road, Xiang An High-Tech Zone, Xiamen City, Fujian Province

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    Fax:+86-592-3365890

    Email:sales@rfidtagfactory.com

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