Technology parameters RFID chip: TK4100 + MF 1K S50 (TK4100 fully compatible with EM4102) Dalas: LF 125KHz + HF 13.56MHz Protocol standards: ISO/IEC 14443 TypeA Read and write distance: 2.5~ 10cm (related to the antenna size and card reader) Read and write time: 1-2ms Endurance: >100,000 times Data retention: >10 years Working temperature: -20°C~+85°C (humidity 90%) Laki: CR80, 85.5×54×0.84mm, or specified …