Mifare 4K Cards are also known as S70 Cards. This smart card uses the Mifare IC S70 chip which is a mainstream contactless smart card IC. It conforms to the IEC/ISO 14443 protocol. The S70 chip has advanced data encryption and a two-way password authentication system.
Compared with the S50 chip card, the S70 chip card has a greater storage capacity, perfect for highway tolls, bus cards, parking lot, and other applications.
Cards can be pre-printed in the factory with high-quality offset or screen printing. Also, they can be personalized printing with a small printer. Either way, Xinyetong can provide it.
| Item | Mifare 4k Cards |
| Material | PVC or PET |
| Chip | Mifare 4K |
| Protocol | ISO/IEC 14443 |
| Frequency | 13.56 MHz |
| Memory | 4kB |
| Color | Custom |
| R/W | Read and Write |
| Reading Distance | 1~10 cm |
| Craft | silkscreen logo/Laser serial number/UID print, etc |
| Surface | Glossy/Matt/Frosted |
| Working Temperature | -20~+70°C |
| Size | 85.5*54mm |
| Data Retention | 10 years |
| Erase Cycle | 100,000 times |
| Samples | Free samples are available upon request |