Adafruit 13.56MHz RFID/NFC Card - Classic 1K

This advanced 13.56MHz RFID/NFC card offers maximum utility across various proximity systems. Enclosed within the durable card is a powerful RFID chip and responsive antenna.Optimized for interactions with almost any 13.56MHz reader, this card aligns with ISO/IEC 14443 Type A standards. Customizable data storage of up to 1 KB ensures flexible use, accommodating over 100,000 rewrites of its EEPROM data banks.Compatible with our PN532 NFC/RFID breakout board and Adafruit NFC/RFID Shield for Arduino, it stores a permanent 4-byte ID for easy differentiation. Note that newer smartphones may not support this classic NFC chipset.