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SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

Retired Product

This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for datasheets and the simply curious.

Creative Commons images are CC BY-NC-SA 3.0

Description: Replacement:RTL-11506. We are now using blank cards without any writing on them. This page is for reference only.

If you’ve been playing with RFID long enough, you know you can never have enough RFID tags! We’ve retail packaged a stack of five of our 125kHz RFID tags for when your RFID-protected secret clubhouse starts attracting more members (or whatever it is you do with RFID tags…)

These tags each have a unique 32-bit ID code and can’t be re-programmed. You can read the codes on the tags with a 125kHz RFID reader, such as the ID-12 or the ID-20 which can be found in the related items below.

Includes:

  • 5x 125kHz RFID Cards

Features:

  • EM4001 ISO based RFID IC
  • 125kHz Carrier
  • 2kbps ASK
  • Manchester encoding
  • 32-bit unique ID
  • 64-bit data stream [Header+ID+Data+Parity]

Dimensions: Each card is 2.13 x 3.35 x 0.03" (54 x 85.5 x 0.8mm)

Documents:

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