keping: TK4100 / TK4101, fully compatible with EM4102 Working frequency: 125KHz Working pattern: read-only Induction distance: 2~10cm Internal serial number: 5 bytes Size: kartu tipis: 85.5×54×0.84mm Standard thickness Thin card: 85.5×54×1.05mm Thickness card: 85.5× 54 × 1.80mm (dengan lubang portabel) berbagai R / W: 2~ 10cm, depending on the reader and the application environment Working temperature: -20℃ ~ + 80 ℃ (-4℉ ~ + 176 ℉) bahan: PVC / PET / PETG / ABS / PHA / PC / Kertas,dll. lap kali: >100,000 times Data storage: 10 …