Chip vs Chip
MIFARE Ultralight EV1 vs MIFARE DESFire EV2
MIFARE Ultralight EV1 offers 128 bytes memory with 32-bit password security, making it ideal for limited-use transit tickets, loyalty tokens. MIFARE DESFire EV2 provides 2-32 KB with AES-128 + proximity check security, suited for high-security transit, national ID, government.
MIFARE Ultralight EV1
제품군MIFARE
메모리80 bytes (user: 48 B)
가격$0.040 – $0.120
MIFARE DESFire EV2
제품군MIFARE
메모리2048 bytes (user: 1760 B)
가격$0.600 – $1.400
추천
Choose MIFARE Ultralight EV1 when you need improved Ultralight with password protection; choose MIFARE DESFire EV2 when you need relay attack protection via proximity check.