Adafruit 13.56MHz RFID/NFC Leather Keychain Fob - Classic 1K

This blank 13.56MHz RFID/NFC keychain fob empowers seamless connectivity and robust data management. Embedded with a small RFID chip and antenna, it is passively powered by a reader/writer when in proximity, ensuring efficiency and convenience.Compatible with most 13.56MHz RFID/NFC readers that support ISO/IEC 14443 Type A, it offers dependable interoperability. Confirm compatibility as certain standards like FeLica may vary.Enjoy smooth integration with the PN532 NFC/RFID breakout board and the Adafruit NFC/RFID Shield for Arduino. Ideal for projects requiring up to 1 KB of data storage, its writable EEPROM is divided into banks, facilitating over 100,000 re-writes for long-lasting applications.Featuring a permanent 4-byte ID burned into the chip, each fob ensures unique identification that remains unchanged, ideal for inventory tracking or secure access control.Leveraging the ISO/IEC 14443 Type A chipset, known as the 'classic' NFC chipset, it offers reliability despite newer phones lacking support post-2014 due to NFC forum updates.