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EM4100 RFID 54mm x 85mm Rectangle Tag

28141: PARALLAX INC. View Larger Image
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Jameco Part no. 2109739
Manufacturer PARALLAX INC.
Manufacturer no. 28141
  RoHS compliant
Catalog 152 , page 143
Pricing & Availability


# of Unit Price
1+ $3.95
5+ $3.59
25+ $3.29
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EM4100 RFID 54mm x 85mm Rectangle Tag

This EM-4100 family product is designed to work with our Serial RFID Card Reader (#28140) and USB RFID Reader (#28340) and are considered passive tags. Each tag has a unique 10 digit ID, so multiple tags can be used in a single project and may be purchased from Parallax in any quantity.


  • EM4100 Family Passive Tags
  • 125 kHz activating frequency
  • Readable from 2 to 5 inches of RFID reader
  • Thin Package

    Note: In accordance with U.S. Patent Nos. RE40,145; 5,817,207; 6,036,099; 6,214,155; 6,514,367; and 6,557,766.

    Compatible with These Kits

  • RFID Card Reader (Serial)
  • RFID Card Reader (USB)
  • Serial RFID Read/Write Module (#28440)
  • Other 125 kHz EM4100 type readers

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