Pn532 nfc rfid module
pn532 is a highly integrated transceiver module for contactless mhz based on the 80c51 microcontroller core supporting different card and reader/writer operating modes.
operating voltage: +2.7v to +5.5v
supports ii2, spi, and high-speed uart (hsu)
built-in pcb antenna (covered by white paint)
5 to 7cm communication distance
on-board level shifter
standard 5-v ttl for i2c/uart and 3.3-v ttl spi (vcc 3.3 to 5 v)
works as an rfid reader/writer
works as a 1443-a card or a virtual card
supports nfc with android phone
rfid reader/writer mode support for:
mifare 1k, 4k, ultralight, and desfire cards
iso/iec 14443-4 cards such as cd97bx, - cd light, desfire, and p5cn072 (smx)
innovision jewel cards such as the irt5001 card
felica cards such as rcs_860 and rcs_854