WRS03 is a kind of RFID Lockable Wristbands with 125Khz, 13.56MHz RFID (GYRFID) WRS03 is made of soft PVC material, ... construction place, pub, hospital etc. It combines the RFID technology with good looking and practical housings, completely water- ... Temperature: -20C ~ +55C Storage Temperature: -25C ~ +60C RFID ICs Support: 125KHz RFID: EM4102, EM4100, GK4001; EM4550, EM4069; T5577; Hitag1, Hitag2, ...