# Secure Card

Give users a High Frequency (13.56 MHz) Smart Card with advanced authentication and encryption features.

[See Rhombus in Action](https://www.rhombus.com/live-demo/ "See Rhombus in Action")

### Secure Card Specifications

- **Dimensions**: 85.6mm (3.37in) x 54.0mm (2.13in) x 0.76mm (0.033in)
- **Weight**: 0.15oz (4.3g)
- **Material**: PVC
- **Color**: White
- **Surface Finish**: Gloss
- **Operating Temperature**: -20˚C to 50˚C (-4˚F to 122˚F)
- **Product Quality**: Per ISO/IEC 7810
- **IC**: MIFARE DESFire EV1
- **Protocol**: ISO/IEC 14443A
- **Operating Frequency**: 13.56MHz
- **Encryption**: 128bit AES
- **Memory**: 2KB
- **UID**: 7B
- **Data Retention**: 10 Years
- **Write Cycles**: 100,000
- **Quantity**: 100 cards per box
- **Box Dimensions**: 114mm (4.5in) x 104mm (4.1in) x 79mm (3.1in)
- **Shipping Weight**: 0.6kg (1.28lbs)

[Download Specs](https://www.rhombus.com/files/specs/secure-card.pdf "Download Specs")

### Explore Other Access Control Components

Build the perfect Access Control solution to suit your specific needs.

[**DR20** 
Modern, touchless, and reliable smart reader](https://www.rhombus.com/access-control/door-readers/dr20/) [Learn more](https://www.rhombus.com/access-control/door-readers/dr20/ "Learn more")

[**DR40** 
Equipped with a door reader, camera, and intercom](https://www.rhombus.com/access-control/door-readers/dr40/) [Learn more](https://www.rhombus.com/access-control/door-readers/dr40/ "Learn more")

## See Rhombus Access Control

Request a demo with our team today and see how you can transform building management in your spaces.

[Request Demo](https://www.rhombus.com/live-demo/ "Request Demo")