Wafer type: NXP Mifare 1K S50, FM11RF08 (Fully compatible with NXP Mifare 1K S50) Storage capacity: 1KB, 8Kbit, 16 partitions, each partition two passwords(1KB=8Kbit) Operating Frequency: 13.56MHz Protocol Standard: ISO14443TypeA Communication speed: 106KBoud Reading distance: 2.5~10cm Reading time: 1-2ms Endurance: > 100,000 times Data retention: >10 years Working temperature : -20℃~+55℃ Antenna material: PET+Etching aluminum Card materials: PVC, PET, PETG, …