Mifare Classic cards are the most popular contactless RFID cards operating in the 13.56 MHz frequency range.
These RFID cards have a special anti-collision function, which allows several cards to be used simultaneously in the same field without interference.
Mifare Classic cards have both read and write capability, and are compliant with the ISO 14443 A standard.
They have paved the way for several applications such as access control at hotels and companies, attendance control at schools and businesses, ticketing for public transport, car park management and electronic toll collection.
They are available in PVC, PETG and wood, in the following sizes: 86 mm x 54 mm x 0.86 mm for PVC and PETG, 86 mm x 54 mm x 1.3 mm for wood.
The following types of Mifare Classic chips are available: Mifare Classic 1K EV1 (in 4-byte IUD and 7-byte UID versions), Mifare Classic 4K EV1.
| RFID chip | Mifare Classic 1K EV1 S50 |
| Chip frequency | 13.56 MHz |
| Memory | 1024 Bytes |
| UID | 4/7 Bytes |
| Manufacturer | NXP |
| ISO Standard | 14443 A |
| NFC Standard | To be verified depending on the reading device |
| RFID chip |
Mifare Classic 4K EV1 S70 |
| Chip frequency | 13.56 MHz |
| Memory |
4096 Bytes |
| UID | 4 Bytes |
| Manufacturer | NXP |
| ISO Standard | 14443 A |
| NFC Standard | Type 2 |