What features make the Hid Omnikey 3121 suitable for various applications?

The Hid Omnikey 3121 is versatile and well suited for all contact smart card operations, including single sign-on, online banking, and digital signature applications. It is easy to install using native supported CCID drivers, is compliant with industry standards, and features multiple-base mounting options for convenience.

What are the dimensions of the Hid Omnikey 3121 USB Connected Smart Card Reader?

The dimensions of the Hid Omnikey 3121 are 3.15 inches x 2.64 inches x 1.1 inches.

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Hid Omnikey 3121 USB Connected Smart Card Reader for Desktop Use

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Different standing base options available for convenient vertical and horizontal use
Shipped with support for adhesion (e.g. to PC monitor)
Robust housing and long USB cable
High speed data transmission
All major operating systems supported

Overview

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This high-performance smart card reader connects to your PC through USB and instantly reads data once card is inserted. It is an easy-to-install solution for all contact smart card operations, such as single sign-on, online backing, and digital signature application.

Easy to install

Eliminates the need to install drivers; uses native supported CCID drivers within the operating system.

Readily Compliant

Meets all relevant industry standards for smooth integration in PC environment.

Convenient and Reliable

Multiple-base mounting options, robust housing, and long USB cable.

Suits Any Application

Compatible with virtually any smart card and major PC operating systems.

MAIN OVERVIEW FEATURES: Connectivity
Technology: CableMedia
Supported: ContactHost
Interface: USB
2.0C olor: Two-tone
GrayHeight: 1.1"W
idth: 2.6"D
epth: 3.1"W
eight (Approximate): 0.18 ozEnvironmentally
Friendly: YesEnvironmental
Certification: RoHSWEEE

General
Brand	HID
Model	OMNIKEY 3121
Part Number	R31210320-01
Type	RFID Reader
Form Factor	Desktop

RF Interface
RFID Protocol Support	Meets major standards, including ISO 7816, USB CCID, PC / SC, and HBCI (Home Banking Computer Interface) Specification

Conntectors
Connectors	USB

Feature
Feature	Versatile: It is well suited for all contact smart card operations, including single sign-on, online banking and digital signature applications Easy to install: Using native supported CCID drivers within the operating system, it eliminates the need for installing drivers Readily compliant: It meets all relevant industry standards, so you can smoothly integrate it into a PC environment Convenient and reliable: Designed with multiple-base mounting options, a robust housing and a USB cable - all of which make it absolutely convenient to use Suits any application: Compatible with any smart card or major PC operating system

Dimensions & Weight
Dimensions	3.15" x 2.64" x 1.1"

Environment
Operating Temperature	32-131 °F (0-55 °C)
Storage Temperature	-4 - 176 °F (-20 - 80 °C)
Humidity	10-90% RH

Additional Information
First Listed on Newegg	September 18, 2025

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Hid Omnikey 3121 USB Connected Smart Card Reader for Desktop Use

Easy to install

Readily Compliant

Convenient and Reliable

Suits Any Application

Learn more about the HID Global Corporation OMNIKEY 3121

Customer Reviews of the HID Global Corporation OMNIKEY 3121

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Item#: 9SIC1CFKMF8440

Best Sellers

Meet Your Seller

Hid Omnikey 3121 USB Connected Smart Card Reader for Desktop Use

Easy to install

Readily Compliant

Convenient and Reliable

Suits Any Application

Learn more about the HID Global Corporation OMNIKEY 3121

Customer Reviews of the HID Global Corporation OMNIKEY 3121

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info