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RFID 13.56MHz Key Holder - EM4233, ISO15693


RFID 13.56Mhz Key Holder, transponder EM4233, ISO15693

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A RFID EM4233 Key Holder, ISO15693

This Key Holder is selected for this RFID USB reader (a USB reader that emulates a keyboard or a serial connection). This ISO card contains a RFID tag working at 13.56 Mhz.

The RFID tags are available in various format and various read distance. In a general matter, greater is the tag and bigger is the read distance.


This tags will not work with the Adafruit  NFC/RFID Shield and/or RFID/NFC breakout. Those products are using classic RFID/NFC tags which are different products.


  • EM4233 Tag with 64 bit ID - Read only
  • Working temperature: -40 °C ~ +85 °C
  • Rel. Humidity 5% to 90% (without condensation)
  • Frequency: 13.56Mhz
  • EM4233 datasheet EM Microelectronic


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