NFC Card Tag (MIFARE Classic 13.56MHz/1K S50)

via Elecrow

We can get 100 units in Australia from Elecrow. If you order today, we can dispatch this stock between Jun 22, 2021 - Jul 09, 2021.

This is a MiFare Classic card - often used for electronic locks or customer identification. The tag contains an NXP S50 chip and an antenna and is passively powered by the reader/writer when placed a couple of inches away. Can be used with NFC Shield.


  • 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