Technology parameters RFID chip: TK4100 + MF 1K S50 (TK4100 fully compatible with EM4102) Pafupipafupi: Lf 125khz + HF 13.56MHz Protocol standards: ISO/IEC 14443 TypeA Read and write distance: 2.5~ 10cm (zokhudzana ndi kukula kwa tintenna ndi owerenga khadi) Nthawi yowerenga ndi kulemba: 1-2ms Endurance: >100,000 times Data retention: >10 years Working temperature: -20+ ~ + 85 ℃ (chinyezi 90%) Kukula: CR80, 85.5× 54 × 0.84mm, or specified …