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
Note: This card is preloaded with a unique code and is NOT writeable.
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