| Technical Specifications: | ||
| Product Features | MIFARE DESFire 4k | MIFARE DESFire 8k |
| Memory | ||
| EEPROM size [byte] | 4096 | 8192 |
| Write Endurance [cycles] | 500 000 | 500 000 |
| Data Retention [yrs] | 10 | 10 |
| Organization | flexible file system | flexible file system |
| RF-Interface | ||
| Acc. to ISO 14443A | yes - up to layer 4 | yes - up to layer 4 |
| Frequency [MHz] | 13.56 | 13.56 |
| Baudrate [kbit/s] | 106 … 848 | 106 … 848 |
| Anticollision | bit-wise | bit-wise |
| Operating Distance [mm] | up to 100 | up to 100 |
| Security | ||
| Unique Serial Number [byte] | 7, cascaded | 7, cascaded |
| Random Number Generator | yes | yes |
| Access Keys | 14 keys per application | 14 keys per application |
| Access Conditions | per file | per file |
| DES & DES3 Security | MACing / Encipherment | MACing / Encipherment |
| AES Security | MACing / Encipherment | MACing / Encipherment |
| Anti-tear supported by chip | yes | yes |
| Special Features | ||
| Multi-application | 28 applications, MAD3 | 28 applications, MAD3 |
| Purse Functionality | Value file | Value file |
| Secure Transport Transaction | 512 byte read, 128 byte write | 512 byte read, 128 byte write |
| Transaction Time [ms] | 89 | 89 |
We are operating as normal while adhering to UK government guidelines for the safety of our staff and customers. Although some supply chains are disrupted, we are maintaining our normal level of stocks in our UK warehouse and continue to receive goods and ship orders on a daily basis, both nationally and internationally.
We are shipping all UK mainland Express orders received before 2:30pm UK time to arrive next day. Please contact us by phone or email if you need specific information on stock levels, shipping options and cut-off times, or to discuss your exact requirements in more detail.
We have a range of NHS compatible and certified readers IN STOCK.
+44 (0)1428 685 250
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