Electrical characteristics Internal chip: 恩智浦U代碼 7, NXP U CODE 7m Communication protocol: EPC類 1 根 2, ISO 18000-6C compliant Capacity: 恩智浦U代碼 7: 128 位EPC, no user memory NXP U CODE 7m: 128 位EPC, 32 bits user memory Operating frequency: 902~928MHz Reading distance: 固定閱讀器: 87×17毫米: 7米 (22 腳) 60×20毫米: 5.5米 (18 腳) 手持式 …