100 x 125Khz TK4100 EM4100 RFID Proximity ID Card Token Tags Key Fobs Operational Frequency: 125 KHz Dimension: 33mm (L) x 27mm (W) Chip type: EM4100, TK4100 Water-resistant Each comes with key ring Each tag has been pre-programmed with unique ID, which is Laser printing on it (you can not re-program this code or copy a code to this fob) If you'd like to copy a new code please contact us and we will guide you to the correct item |