چپ: TK4100/TK4101, fully compatible with EM4102 Working frequency: 125KHz Working pattern: Read-only Induction distance: 2~10cm Internal serial number: 5 bytes Size: 85.5× 54 × 1.80mm (ایک پورٹیبل سوراخ کے ساتھ) R/W range: 2~ 10cm کے, depending on the reader and the application environment Working temperature: -20℃ ~ 80 ℃ (-4℉ ~ 176 ℉) مواد: ABS Wipe times: >100,000 times Data storage: 10 سال