MIFARE Ultralight?
Features and advantages:
2kb or 4kb EEPROM
Simple fixed memory structure, compatible with MIFARE Classic 1K and 4K
Memory structure is same as MIFARE Classic4k]
Can set access condition freely
Supports ISO/IEC 14443 A Class UID (4 byteUID, 4 bytes NUID, 7 byte UID), optional support random ID Multi-sector verification, multi-block read and write
AES-128 is used for authentication and integrity
Anti-modification mechanism activates after AES key is written
The key can be saved as MIFARE CRYPTO1 (each sector 2x48 bit) key and AES key (eachsector 2x128 bit)
Basically support the concept of a virtual card
Communication speed up to 848 kb/s
No. of Single write operations: 200,000 cycles (typical value)
Common Criteria Certification: EAL4 +
Applications:Public transport, access control, such as employees, school or campus cards,electronic toll, internal micro-payment, parking, Internet cafes, membership Scheme
NXP MIFARE Plus X2K Epoxy Card
Customization: Yes
Proximity distance: 3-10 cm
Size: 85.5*54(mm)
Chip: read&write card
Memory: 512 bits
Read&write time: 106k bit/s
Packing Material: PET / PVC / ABS / PS
No. of rewritable: 100,000 times
Application: Intelligent access controlsystems, management systems, livestock management, ID authentication,identification of animal response, industrial products responding identification, attendance systems, hotel door locks carrier
Frequency: High frequency RF card
Power: non-source card