RXK03 key fob. Colors and personalization are specified for your order.
RXK03 key fob with MIFARE Classic EV1 4K
RXK03 key fob configured with MIFARE Classic EV1 4K. A 4 kB credential IC for maintaining compatible MIFARE Classic installations.
Printing, encoding, quantity and delivery are confirmed in the approved order specification.
The MIFARE Classic EV1 4K configuration.
An ABS key fob measuring 38 × 30 × 6 mm, with a weight of 5.53 g. The RXK03 supports a broad range of IC options and offers silkscreen printing, laser engraving and serial numbering for business identification.
A 4 kB credential IC for maintaining compatible MIFARE Classic installations.
Physical specifications
| Specification | Details |
|---|---|
| Material | ABS |
| Temperature | -10˚ to 50˚ Celsius |
| Dimensions | 38x30x6 mm |
| Weight | 5.53 g |
| Available Colors | Red, Blue, Green, Grey, Black, Yellow |
| Printing Options | Silkscreen, Laser Engraving |
| Number Printing Options | Laser, Inkjet |
| Packing Details | 2000 pieces per carton; Carton size: 50×25x22 cm / Carton weight: 14kg per carton. |
Manufacturing specifications are confirmed for the selected size, materials and finishing options in your approved order. IC temperature or security ratings do not establish finished product ratings.
MIFARE Classic EV1 4K IC specifications
| Specification | Details |
|---|---|
| Semiconductor IC | MIFARE Classic EV1 4K |
| Interface / protocol | ISO/IEC 14443-3 Type A |
| Nominal EEPROM | 4 kB |
| RF data rate | 106 kbit/s |
| UID options | 4 byte NUID or 7 byte UID; specify variant |
| Authentication | MIFARE CRYPTO1 with sector access conditions |
| Memory use | Manufacturer blocks and sector trailers reduce application space |
Memory and protocol values describe the IC. Actual read performance depends on the finished antenna, enclosure, reader and operating environment.
NXP does not recommend MIFARE Classic EV1 for new designs. Evaluate DESFire or Plus where a new security architecture is required.
For replacements, match UID format, sector data, keys and reader behavior to the installed system.
Integration and qualification
Confirm the reader protocol, supported commands, identifier format and application memory layout. If the application requires authentication, align the reader and issuing system with the selected IC and security configuration.
Check key ring attachment, handling and scan orientation. Assess the fob alongside keys and other metal objects under normal use.
Approve an encoded sample in the finished application before volume production. Define acceptance criteria for identification, memory access, printed data and repeated operation.
Define your production requirement.
Reference RXK03 key fob with MIFARE Classic EV1 4K in your enquiry, together with the following details.
| Specification | Details |
|---|---|
| System | Reader manufacturer and model, application software and existing credential specification |
| Configuration | IC part number and memory variant, product size, color and required finish |
| Personalization | Print artwork, numbering format, encoding layout and verification requirements |
| Supply | Initial quantity, repeat volume, sample quantity, destination and required delivery date |
| Acceptance | Sample approval criteria and any required material, compliance or traceability documents |
Minimum order quantity, current availability, lead time and pricing are confirmed for the complete configuration. Production availability is confirmed with your quotation.
Build your quotation briefTechnical references
Semiconductor documentation defines IC capabilities. Our approved product specification defines the finished Roxtron product.
