MIFARE? DESFire? EV1 4K
Non-contact data transmission, power supply is not needed.
Operating distance: ≤100 mm
Operating Frequency: 13.56 MHZ
Fast data transfer: 106 Kbit/s, 212 Kbit/s, 424 Kbit/s
The real anti-collision
Uniqueserial number for 7 byte card
Using ISO14443-4 transport protocol
Non-volatile memory (NV-Memory)
Capacityof 4k bytes
WriteTime: 2 ms (1ms to erase, 1ms to write)
Data canbe stored for 10 years
Can be rewritable for 100,000 times
Flexible file system
28 applications can be on one single card at the same time
16 files canbe created in each application
Each card has a unique serial number
3 PASS mutual authentication
RF channel can be DES/3DES data encryption and replay attack protection.
4-byte MAC data authentication
Application-level password authentication