NFC Sticker Tag - Rectangle (ER-WRN13566N) MIFARE Classic 13.56MHz/1K S50

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

• 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