mgbawa: TK4100 / TK4101, fully compatible with EM4102 Working frequency: 125KHz Working pattern: read-only Induction distance: 2~10cm Internal serial number: 5 bytes Size: Thin kaadị: 85.5×54×0.84mm Standard thickness Thin card: 85.5×54×1.05mm Thickness card: 85.5× 54 × 1.80mm (na a obere oghere) R / W nso: 2~ 10cm, depending on the reader and the application environment Working temperature: -20℃ ~ + 80 ℃ (-4℉ ~ + 176 ℉) Materials: Ịkwanyere / PITA / PETG / ABS / PHA / PC / Akwụkwọ,etc. hichapụ ugboro: >100,000 times Data storage: 10 …