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RFID R/W 54mm x 85mm Rectangle Tag

Product Code: 28441
Excl. VAT: £3.50 Incl. VAT: £4.20
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This RFID Read/Write transponder tag is part of the EM Microelectronic-Marin SA EM4x50 family and is designed to work with our RFID Read/Write Module, Serial (#28440). Each tag contains a unique, read-only serial number (one of 2^32, or 4,294,967,296 possible combinations) and 116 bytes of user data area stored in a non-volatile EEPROM (Electrically Erasable Read Only Memory).

The user data area can be optionally secured with a 32-bit password to allow only authorised read and write operations.

These tags are not compatible with the RFID Card Reader (USB or Serial).


  • EM Microelectronic-Marin SA EM4x50 family 
  • 125 kHz operating frequency 
  • Thin package 
  • Both sides are fully printable with offset, thermo-transfer and dye sublimation printing


Compatible with:

  • RFID Card Reader/Writer (Serial)

Product Attachments

View FileRFID Read Write Doc.    Size: (132.99 KB)
View FileRFID Read Write Source Code    Size: (4.21 KB)

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

RFID R/W 54mm x 85mm Rectangle Tag

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