NFC+Mifare IC S50 two-in-one tag, compatible with the previous Mifare one system, fast access to NFC function, with dual storage space: NFC storage space and Mifare One storage space. Mifare IC S50 chip default card number UID length 7 بائٹس, is enhanced anti-counterfeiting type. Achievable features Authorization Encryption Anti-counterfeiting Data storage space Identification