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General RFID Tag

General RFID Tag refers passive, semi-passive and active. Active RFID tags contain transmitter and battery and are bigger and more expensive than passive one-way tags. The read range of active tags is more than 30 meters, although they are limited in battery lifetime.

The integrated circuit of a semi-passive (BAP) tag gets its power from the battery. Therefore they do not use the usual 90% of incoming radio power for operation, but only about 15% of it. The reflected signal is therefore stronger than for a passive tag. BAP tags still communicate passively with the reader (by modulating the backscatter of the reader radio signal). Typically the read range is more than 20m.

Here, we mainly provide the passive RFID tags. Passive RFID tags contain no battery, and are often in the form of a shipping label. The read distance of passive tags is typically less than 10 meters. The read range of the passive tag is typically limited by the radio power from the reader required to power the tag integrated circuit.  If the circuit wakes up, the sensitivity of the RFID reader is typically sufficient to detect the response from the tag.

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125khz 64bit TK4105 KeyRing ID number print
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125kHz Epoxy Keyfob RFID Tag for Access
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125KHz TK4100 Custom shape RFID Epoxy Tag
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13.56MHz Epoxy Keyfob RFID Tag for Access
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13x20mm Ntag203 Smallest Size NFC Wet Inlay
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35x35mm Logo Printed Ultralight Chip RFID Sticker
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Circle 20mm Ntag203 Smallest Size NFC Wet Inlay
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Colorful HF Epoxy Tag with M1k Chip
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Custom Waterproof NFC Tag with Url Encoding
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Customize Cartoon NFC Epoxy Tag
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Customized size for Topaz 512 NFC Tag Sticker
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Diameter 25mm Icode Sli-X Chip RFID Disc Tag  ISO 15693
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