HID OMNIKEY® 5421 Contact / Contactless Smart Card Reader

HID OMNIKEY® 5421 Contact / Contactless Smart Card Reader

Out of stock

This product is discontinued

Replaced by Omnikey 5422

  • Reliable – Proven OMNIKEY® driver and hardware technology.
  • Versatile – Ideal for end-user environments using both contact and contactless smart card technology and migration scenarios.
  • Interoperable – Supports iCLASS®, MIFARE® and MIFARE DESFire® as well as tags and new technologies such as NFC enabled devices.
  • Compliant – Supports ISO 14443 A / B and 15693 and the ISO 7816 industry standards for contact cards.

* Replaced by Omnikey 5422


The HID OMNIKEY® 5421 reader represents the ultimate combination of contact and contactless technology in a single device. The solution features a dual interface, PC-linked reader that reads / writes to both a 13.56 MHz contactless smart card and technology and virtually any contact smart card to support environments where both contact and contactless smart card technologies are required.

Utilizing contactless smart card technology for PC-linked applications, thin- and zero-client environments the reader provides users with the convenience, speed and security for applications such as user authentication to PCs, software, cloud-based applications, networks and web sites.

Known for high reliability in the field, the OMNIKEY 5421 reader is based on the proven driver and hardware technology to ensure greater stability, durability and compliance.

The reader supports the most common high frequency cards on the market including iCLASS®, MIFARE® and MIFARE DESFire®. It is also interoperable with NFC-enabled devices and tags.

For design flexibility, the professional line desktop housing aligns seamlessly with any modern working environment. It can be ordered with several accessories and mounting options.


  • HID: iCLASS®
  • NXP: MIFARE®, MIFARE® UltralightMIFARE DESFire®, SMART-MX and ICODE (including credentials emulated by mobile phones in NFC card modulation mode)
  • NFC Tag Types 1, 2 and 4
  • Texas Instruments: TagIT®
  • ST Micro: x-ident, SR 176, SR 1X 4K
  • Infineon: My-d (in secure mode UID only)
  • Contactless 2048 bit key generation in RSA mode (JCOP / SMART-MX)



Native CCID implementation supporting WINDOWS ®, LINUX ® and MAC ® operating systems for contact reader part

Supports three ISO standards for contactless cards (ISO 14443 A / B and 15693) and the ISO 7816 industry standards for contact cards

Supports standard iCLASS®, MIFARE™ and MIFARE DESFire™, as well as tags and new technologies such as NFC devices.

Supports contactless smart cards with up to 848 Kbps in the fastest ISO 14443 transmission mode

Supports EMD suppression on contactless interface

Includes new OMNIKEY desktop family housing