Chip: NXP Mifare Plus S/X (MF1SPLUSx0y1/MF1PLUSx0y1) EEPROM: 2K/4K Bytes Operating frequency: 13.56MHz Safety certification: AES Protocol standards: ISO/IEC 14443A Communication rate: 106Kbps-848Kbps R/W range: 2.5~10cm R/W time: 1-5ms Working temperature: -20℃~+55℃ Endurance: > 200,000 times Data storage: >10 years Card size: ISO standard card 85.6×54×0.80mm, or customized Card material: PVC / Abs / PET / PETG / Pampiri, 0.13mm copper wire Encapsulation process: automatic ultrasonic automatic plant line, …