DesFire 4K/8K is the contactless IC card which is made under NXP MF3 IC D41 or MF3 IC D81. Usually it is called DesFire4K/8K according to ISO14443A. The UID has four bytes. The storage capacity is 4K. The date can be protected by electronic key. We can offer PVC blank card, printing card, paper-sticker tag, Key chain, TOKEN and thin & thick cards of various specifications. The applications contain Door-control system, Checking-in system, Identification system, Physical distribution system, Automation system and various member-cards such as: meal-selling, subway, public transportation, club etc. And also it contains electronic consumption, electronic ticket, animal identification, target tracking, laundry management and various payment systems.

• • Chip: NXP MF1 IC S70

• • Storage capacity: 4k/8K Bytes

• • Working frequency: 13.56 MHz

• • Communication rate: 106Kbps ~ 424Kbps

• • Operating distance: 0 ~ 100mm

• • Operating time: 1 ~ 5ms

• • Operating temperature: -20 ~ 55 ℃ (-68°F ~ +131°F)

• • EEPROM: >100, 000 times

• • Data retention: >10 years

• • Dimension: ISO standard card 85.6x54x0.82

• • Packaging materials: PVC, PET, PETG, 0.13mm copper wire

• • Encapsulation technology: Ultrasonic automatic plant line / Automatic touch welding

• • RF standard: ISO14443A

• • Available for size: 85.6×54, 83×20, 70×40, 50×50, 45×45, 45×28, 44×20, 38×38, 35×30