chip: Mifare IC S50/FM11RF08 Accord with standard: ISO 14443A Operating frequency: 13.56MHz Rate communication: 106KBoud Working mode: passive Storage capacity: 1NXP SmartMX P5CD012 CPU Chip Kat, 8Kbit, 16 partitions, each partition two password (1KB=8Kbit) Li ranje: 2.5~10cm Read and write time: 1~2ms Working temperature: -20℃ ~ + 55 ℃ (-4℉ ~ + 131 ℉) Erasable life: >100000 fwa Depo done: >10 years Package style: Wafer/Chip Grain