RFID R/W 30 mm Round Tag

  • 32399: RFID R/W 30mm Round Tag
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$0.37 (15%)
Product ID: 32399
In Stock: 29


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) or RFID Read/Wrtie Module, USB (#28540). 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 authorized read and write operations.

See our RFID Module & Tag Compatibility Chart here.

Key Features:

  • Thin package makes it ideal for many applications  
  • Rugged outer casing can be used in applications with exposure to direct sunlight
  • Designed to resist common stress known from access control and time attendance systems  
  • EM Microelectronic-Marin SA EM4x50 family chip  
  • 125 kHz operating frequency
  • Diameter 30 mm (1.2 inches)

Application Ideas:

  • Room access
  • User authentication
  • User data storage


Downloads & Documentation

Product Specific Downloads
Download Details More Info
RFID Card Reader Documentation - 285.26 KB | updated: 24 May 2016 - 8:17 am
RFID Read/Write Module BASIC Stamp Demo Code - 4.21 KB | updated: 24 Sep 2012 - 3:59 pm
RFID Read/Write Module Product Guide - 1.11 MB | updated: 27 Feb 2018 - 1:17 pm

Additional Resources