MIFARE DESFire cards & tags
Technical Specifications
Memory
EEPROM size [byte]: 4096bytes (MIFARE DESFire 4k); 8192bytes (MIFARE DESFire 8k)
Write-endurance [cycles]: 500 000
Data retention [years]: 10
Organisation: flexible file system
RF-Interface
Acc. to ISO 14443A: yes - up to layer 4
Frequency [MHz]: 13.56
Baudrate [kbit/s]: 106 ...848
Anticollision: bit-wise
Operating distance [mm]: Up to 100
Security
Unique Serial Number [byte]: 7, cascaded
Random Number Generator: Yes
Access keys: 14 keys per application
Access conditions: per file
DES & DES3 security: MACing / Encipherment
AES security: MACing / Encipherment
Anti-tear supported by chip: yes
Special Features
Multi-application : 28 applications, MAD3
Purse functionality: Value file
Secure Transport Transaction: 512 byte read, 128 byte write
Transaction Time [ms]: 89
Typical applications include:
Transport
Access control
Loyalty
Internet applications
A picture of the MIFARE DESFire EV 4k thin keyfob is shown below.
Manufacturer: NXP
