EM Read-only card Dimensions: 85.6mm*53.98mm*0.8mm MF1 Read-only card Dimensions: 85.6mm*53.98mm*0.8mm Special coil size and IC-types are available upon request: EM4001:125Khz LF Read-only chip TEMIC T5557:125Khz LF Read/Write chip MIFARE1 S50: 13.56Mhz HF Read / Write chip INFINEON 66R35: 13.56Mhz HF Read / Write chip TI256bit: 13.56Mhz HF Read / Write chip; soft label;