RFID Card Dual Frequency 13.56MHz UID + 125KHz T5577 EM4305 Rewritable 0 Block
RFID Card Dual Frequency 13.56MHz UID + 125KHz T5577. Card Chip: UID & T5577. Protocol: ISO14443A & EM4305. - Sector Block 0 which can be changed and 125KHz key fobs can be copied arbitrarily.Note: Gen1A UID Changeable, not Gen2 CUID.