ఆపరేటింగ్ ఫ్రీక్వెన్సీ: 125KHz Chip: EM4100, EM4102 or its 64Bit compatible chip TK4100, etc Sensing distance: 2~10cm Working temperature: -20℃~+80℃(-4℉~+176℉) ప్యాకేజింగ్ పదార్థాలు: PVC, ABS, PET, PETG, Paper Dimensions: Thin cards 85.5×54×0.88mm Thick cards 85.5×54×1.80mm Encapsulation process: laminated, self-adhesive, ultrasonic encapsulation