13.56mhz Hf RFID Smart Card - Desfire 4k/8k

We are offering 13.56mhz hf rfid smart card - desfire 4k/8k.
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\r• storage capacity: 4k/8k bytes\r• working frequency: 13.56 mhz \r• communication rate: 106kbps ~ 424kbps\r• operating distance: 0 ~ 100mm \r• operating time: 1 ~ 5ms \r• operating temperature: -20 ~ 55 ℃ (-68°f ~ +131°f)\r• eeprom: >100, 000 times\r• data retention: >10 years\r• dimension: iso standard card 85.6x54x0.82 \r• packaging materials: pvc, pet, petg, 0.13mm copper wire \r• encapsulation technology: ultrasonic automatic plant line / automatic touch welding\r• rf standard: iso14443a\r• available for size: 85.6×54, 83×20, 70×40, 50×50, 45×45, 45×28, 44×20, 38×38, 35×30