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Compact two-tone grey desktop RFID reader with USB cable

HID Global Corporation

HID Global Corporation R31210320-01 OMNIKEY 3121 USB RFID Reader Desktop

SKU CH-GPJ3-CQFY9 MPN R31210320-01

Desktop USB RFID reader for contact smart-card operations such as single sign-on, online banking and digital signatures, with driver-free CCID installation, multiple mounting bases and a long cable

  • Form factorDesktop
  • RFID protocol supportMeets major standards, including ISO 7816, USB CCID, PC / SC
  • Connection typesUSB
  • Operating temperature range32-131 °F (0-55 °C)
  • Storage temperature range-4–176 °F (-20–80 °C)
  • Humidity range10-90% RH
  • Desktop RFID reader with USB connectivity for contact smart card operations
  • Driver-free installation using native CCID support across major operating systems
  • Meets ISO 7816, USB CCID, PC/SC and HBCI standards for broad compatibility
  • Flexible vertical or horizontal mounting with adhesive option and robust housing
  • Compact 3.15" x 2.64" x 1.1" design operating from 32 °F to 131 °F

OMNIKEY 3121 USB RFID desktop reader

The OMNIKEY 3121 is a USB desktop RFID reader built for contact smart card operations. It connects through USB 2.0 and uses native CCID drivers, so no extra software installation is required. The unit meets ISO 7816, PC/SC and HBCI standards for broad compatibility.

Suits single sign-on and banking.

This reader fits users who need reliable contact smart card access for single sign-on, online banking or digital signatures. It is not for buyers who want contactless or NFC-only operation, or who need a reader without a physical card slot.

USB 2.0 CCID interface

The single specification that decides fit is the USB 2.0 CCID interface, which enables driver-less installation on major operating systems and direct integration with PC/SC applications.

How it compares

Measured against everything we stock in RFID & Smart Card Readers, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 70% of the 294 comparable items (median $21.99).

Specifications

Product
Brand nameHID
Model nameOMNIKEY 3121
Part numberR31210320-01
Product typeRFID Reader
Ports & slots
Connection typesUSB
Size & build
Form factorDesktop
Product dimensions3.15 in × 2.64 in × 1.1 in
Shipping weight0.14 kg
Package size229 × 127 × 76 mm
Compatibility
RFID protocol supportMeets major standards, including ISO 7816, USB CCID, PC / SC, and HBCI (Home Banking Computer Interface) Specification
Environment & compliance
Operating temperature range32-131 °F (0-55 °C)
Storage temperature range-4–176 °F (-20–80 °C)
Humidity range10-90% RH

Questions about this item

Does my computer need a USB 2.0 port to use the OMNIKEY 3121?

Yes, the reader connects through a USB 2.0 interface, so an available USB 2.0 or compatible port is required.

Will the OMNIKEY 3121 work with smart cards that follow the ISO 7816 standard?

Yes, the reader supports ISO 7816 contact smart cards, making it compatible with cards used for single sign-on and online banking.

How can I confirm the OMNIKEY 3121 is working after I plug it in?

The reader uses native CCID drivers, so the operating system will recognise it automatically and it will be ready for smart card operations.

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