HID Omnikey 3121 TAA USB Contact Smart Card Reader (R31210349-1)

Sale price$29.99


*Order bulk or single packaging available*

About this item

  • EASY INSTALLATION:¬†Ready to go with support of native CCID drivers
  • WIDE COMPLIANCE:¬†Support of¬†ALL¬†necessary¬†industry standards
  • STURDY AND SAFE CONSTRUCTION:¬†Strong¬†housing,¬†multiple¬†mounting options for all card orientation needs and¬†extra-long¬†USB 2.0 Type-A cable
    • Contact sales¬†for additional standing/heavy base options for upright/front-facing orientations.
  • FITS ALL NEEDS:¬†Universal¬†smart card coverage and of¬†ALL¬†major PC OSs
  • CAC-Compatible:¬†For CAC use, Tx Systems has you covered with multiple types of¬†CAC Software.

HID Global, with its product brand OMNIKEY, one of the world's leading manufacturers of innovative smart card readers, offers the HID OMINKEY 3121 TAA USB Contact Smart Card Reader, a high-performance smart card reader for desktop use with multiple standing options in a robust housing. The OMNIKEY 3121 is an easy-to-install USB device suited for ALL contact smart card operations like online-banking or digital signature applications.

The OMNIKEY 3121 is designed to meet ALL major standards like ISO 7816, EMV 2000, Microsoft WHQL, USB CCID, PC/SC, HBCI (Home Banking Computer Interface), the PC-2001 Specification, and many more. The usage within an application is based on standardized interfaces like PC/SC, OCF (Open Card Framework), or CT-API. The USB CCID support makes the integration in an existing system the easiest ever by connecting the host and smart card reader without the need for additional drivers.


  • ISO 7816 (Parts 1-4)
  • PC/SC
  • HBCI (Home Banking Computer Interface)
  • CE
  • FCC
  • UL
  • VCCI
  • KCC
  • MIC
  • RCM (C-Tick)
  • WEEE
  • RoHS
  • EMVCo Level 1
  • TAA
  • GSA FIPS 201
  • Asynchronous T=0 & T=1
  • Synchronous S=B (I2C)/S=9 (3-wire)/S=10 (2-wire)

Ideal For:

  • SSO (Single Sign-On)
  • Online Banking
  • Digital Signatures

**Suitable for all contact smart card operations**


  • USB 2.0 Full Speed
  • Plug and Play
  • Robust two-tone gray ABS platic housing and long 59.1 inch USB 2.0 Type-A cable
  • High-speed data transmission with up to 420 Kbps smart card interface speed
  • Up to 12 MHz smart card clock frequency
  • Automatic power-off when movement detected
  • Automatic smart card type detection
  • Dual-color LED (Green & Red) Status Indicator
  • Short circuit and thermal protection
  • MINIMUM: 100,000 smart card insertions
  • C4/C8 supported for 8-Pin handling
  • Supports power management
  • UPC barcode

**Shipped with support for adhesion (e.g., to PC monitor)**

Card Support

  • ALL MAJOR¬†ISO/IEC compliant 7816 Class A, B and C (5V, 3V and 1.8V) Smart and Synchronous Cards
  • Asynchronous T=0 & T=1
  • Synchronous S=B (I2C)/S=9 (3-wire)/S=10 (2-wire)
  • ID-1 (Full-size smart card)¬†
  • ISO 7816 smart cards
  • CAC/PIV smart cards (5 Volts)
  • SIPR/NIPR smart cards (3 Volts)

OS Support

  • Windows Vista/7 (32 and 64-bit versions)/8/8.1/10
  • Windows Server 2008R2/2012
  • Windows CE (5/6/7)
  • Linux Debian 6.0+
  • Ubuntu 11.0.4+
  • Fedora 15+
  • Open SUSE 11.4+
  • MacOS X
  • Android

**ALL major operating systems are supported.**

Download Drivers & Datasheets

HID Omnikey 3121TAA Smart Card Reader Datasheet

HID Omnikey 3121TAA Smart Card Reader Drivers

How to Mount the HID OMNIKEY 3121 TAA Smart Card Reader

Steps for Downloading Drivers

  1. Click URL titled HID Omnikey 3121TAA Smart Card Reader Drivers
  2. Select All Brands drop-down menu and find OMNIKEY
  3. Select Products drop-down menu and find HID OMNIKEY 3121 USB
  4. Select All OSs drop-down menu and find your operating system
*To find out your operating system version for Windows, select File Explorer and right click This PC on the Quick Access left side panel and select Properties in the submenu. Underneath both Device specifications and Windows specifications, the OS version is stated.

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