chip: EM4102, TK4100, TK4101 COB Frequency: 125KHz Work mode: Read-only Induction distance: 8~20cm Internal serial code: 5 bytes Wipe: >100,000 fwa Depo done: 10 years Material: ABS, PVC Size: 85.5x54mm Thickness: Thick ID card: 1.8mm Standard thin card 0.88mm Non-standard size thin card: 1.05mm or other specified thickness Working temperature: -20℃ ~ + 80 ℃ (-4℉ ~ + 176 ℉)

chip: EM4102, TK4100, TK4101 COB Frequency: 125KHz Work mode: read-only Induction distance: 8~20cm Internal serial code: 5 bytes Wipe: >100,000 fwa Depo done: 10 years Material: ABS Size: 85.5x54mm Thickness: 1.8mm Working temperature: -20℃ ~ + 80 ℃ (-4℉ ~ + 176 ℉)