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MiFare Classic (13.56MHz RFID/NFC) Charm

  • Image 1
Price:
$4.95 (inc GST) $4.50 (exc GST)
SKU:
884
Current Stock:
2


Product Description

This is a blank MiFare Classic tag embedded in a phone charm. These tags are like those often used for train/bus passes but also found in other systems where a proximity card is desired. The tag contains a NXP S50 chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. Since this tag has a small antenna, it has to be closer to the antenna than, say, a large credit-card sized tag. 

These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle MiFare cards as there are a few other encoding standards (like FeLica) They are tested and work great with the Adafruit NFC/RFID Shield for Arduino

These chips can be written to & store up to 1 KB of data in writable EEPROM divided into banks, and can handle over 100,000 re-writes. You can use our Adafruit NFC/RFID Shield for Arduino to read and write data to the EEPROM inside the tag. There is also a permanent 4-byte ID burned into the chip that you can use to identify one tag from another - the ID number cannot be changed.

S50 chip specification:
  • 1 KiloByte (8 KiloBit) non-volatile EEPROM storage
  • Built in encryption engine with 48-bit key
  • 4 Byte unique identifier burned into the chip
  • 13.56 MHz frequency

Tag specification:

  • 39.82mm x 24.85mm x 1mm
  • loop is 140mm/5.5"
  • 2.63 grams with loop, 1.63 grams without
  • Works about 1" away from RFID reader



Downloads:

NXP S50 datasheet


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