Mifare Card provides not only memory capacity, but computational capability as well.
The self-containment of it makes it resistant to attack, as it does not need to depend upon potentially vulnerable external resources.
Features:
Capacity: 1k/4k/512bit
EEPROM Frequency: 13.56MHZ
Temperatures: -20~50 (Humidity 90%)
Communication speed: 106 KBPS
Distance: Within 100mm
Write Endurance: >100, 000times
Data Retention: >10 years
Function: electronic wallets (for small amount buying)
Advantage: Supporting many cards operation at the same time; anti-collision.
Mifare Classic-1K