Keyfob for V2 Rano Lock Mifare Keyfob for Version 2 of Rano Nfc Door Locks Waterproof ABS housing protects the NFC chip inside this key fob Frequency of 13.56mhz, Protocol: ISO/IEC 14443 Compatible with V1 and V2 Rano Keypad Door Locks 1024 bytes of User memory