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RFID Tag (125kHz)

You might know RFID as the technology that Big Brother uses to track your every move. Quickly, don the tinfoil hats!!

Only kidding. RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 32-bit ID. It is not re-programmable. This blank, smooth, and mildly flexible RFID tag is ready for your logo (or hand-drawn scribble).

  • EM4001 ISO based RFID IC
  • 125kHz Carrier
  • 2kbps ASK
  • Manchester encoding
  • 32-bit unique ID
  • 64-bit data stream [Header+ID+Data+Parity]
  • 2.13 x 3.35 x 0.03" (54 x 85.5 x 0.8mm)

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RFID Tag (125kHz) Product Help and Resources

SparkFun RFID Starter Kit Hookup Guide

May 5, 2015

Learn the basics of how to get started with the SparkFun RFID Starter Kit.

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Customer Reviews

5 out of 5

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Great tags

They are just the size of a credit card and fit perfectly in a wallet. They also work at a pretty decent range, and do their job well.