13.56MHz NFC Type 2 NTAG 213 NFC Card is nfc technology which is based on rfid and specializing in 13.56MHz frequency range . It can be classified NFC type 1, 2,3,4,5 and NTAG® 213 nfc card is NFC type 2 and 144 bytes user memory , better for short distance payment , important data transmit ,etc .