Main technical parameters Smart chip: Legic Advant+MF1 S50 Frequency: 13.56MHz Communication protocol: NTXIAS 15693 + NTXIAS 14443 TypeA Storage capacity: 256+4K bits R/W time: 3MS Sensing distance: 5-10cm Data storage: more than 10 years Erase life: 100,000 times Adapt temperature: -30℃~+70℃ Material: PVC, TSIAJ, ABS, paper Specification: 85.5×54×0.84mm Notice: JavaScript yuav tsum tau rau cov ntsiab lus no.