Main technical parameters Smart chip: Legic Advant+MF1 S50 Frequency: 13.56MHz Communication protocol: ISO 15693 + ISO 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, PET, ABS, paper Specification: 85.5×54×0.84mm