HID® OMNIKEY® 3121

The OMNIKEY® 3121 is a reliable USB desktop smart card reader designed with a sturdy housing and versatile mounting options. Fully compliant with industry standards, it supports all major operating systems and contact smart cards. Easy to install and use, it is ideal for applications such as single sign-on, online banking, and digital signatures.

Why Choose OMNIKEY® 3021?

Simple USB plug-and-play, no drivers needed
Fully compliant with major protocols
Strong housing, flexible mounting, long cable
Compatible with most cards and OS

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Datasheet

Overview
Specification

OMNIKEY 3121 Reader is a high-performance, USB-connected smart card reader designed for reliable desktop use. With multiple standing options, a sturdy housing, and intelligent power management, it offers durability and efficiency even in low-energy schemes. The reader is well-suited for a wide range of applications such as single sign-on in corporate environments, secure online banking, digital signatures, and e-government services. It is easy to install with native CCID drivers, meets key industry standards like ISO 7816, EMVCo, and PC/SC, and is compatible with all major operating systems. Its flexible mounting, long USB cable, and seamless compliance make it convenient for both IT administrators and end-users. Certified under the Works With Chromebook program and IGEL Ready, it ensures secure authentication and smooth integration into enterprise endpoint management solutions.

Key Benefits

Versatile – Ideal for single sign-on, online banking, and digital signature use.
Easy Installation – No drivers needed; uses native CCID drivers.
Compliant – Meets major industry standards for seamless PC integration.
Reliable Design – Sturdy housing, flexible mounting, long USB cable.
Universal – Works with all major smart cards and operating systems.
Certified – Works With Chromebook & IGEL Ready for secure, optimized performance.

Key Features

Standards compliant – Supports ISO 7816, USB CCID, PC/SC, and HBCI specifications
Energy efficient – Built-in power management for low-energy operation
Streamlined logistics – Features UPC barcode; available in bulk or single packaging
Flexible design – Interchangeable base for vertical or horizontal use
Easy integration – USB CCID enables driverless plug-and-play connectivity
Universal support – Compatible with all major operating systems
Fast performance – Enables high-speed data transmission

Why Choose ID Tech?

ISO 9001:2015-certified production
Made in India with global-quality standards
Fast delivery and flexible MOQs
Trusted by 3,000+ global clients

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Smart Card Interface
Card Size	ID-1 (Full size)
Standards	ISO 7816
Supported Card Types	Class A: 5V @ 60 mA; Class B: 3 V @ 60 mA; Class C: 1.8 V @ 35 mA
ATR Response Time	Up to 1.6 s
Protocols	Asynchronous: T=0, T=1 Synchronous: S=8 (I²C), S=9 (3-wire), S=10 (2-wire)
Insertion Cycles	100,000
Smart Card Interface Speed	420 kbps
Smart Card Clock Frequency	Up to 12 MHz
Smart Card Detection	Movement detection with auto power-off; Automatic detection of card type; Short circuit and thermal protection
8-Pin Handling	C4 / C8 supported
Host Interface
USB Interface	USB 2.0 Full Speed Device (12 Mbps), USB 3.0 extended operability (tested with hubs/controllers)
Connector / Cable	USB Type A connector; 59.1″ (150 cm) cable
Operating Systems
Supported OS	Windows® 11/10/8.1/8/7/Vista/Server 2012/2008R2 Windows CE (5/6/7, depending on hardware) Linux (Debian 6.0+, Ubuntu 11.04+, Fedora 15+, Open SUSE 11.4+) macOS®, Android™
Driver	CCID native driver from operating system
Supported APIs	PC/SC – API
Human Interface
Status Indicator	Dual-color LED (green & red)
Housing
Material	Two-tone grey ABS plastics
Dimensions	80 × 67 × 28 mm (3.15″ × 2.64″ × 1.1″)
Weight	Reader only: 110 g (3.88 oz); Standing base: 31 g (1.09 oz)
Operating Conditions
Operating Temperature	0 – 55 °C (32 – 131 °F)
Operating Humidity	10 – 90% rH
Storage Temperature	-20 – 80 °C (-4 – 176 °F)
MTBF	500,000 hours
Compliance & Regulatory
Certifications	EMVCo Level 1, USB 2.0, TAA
Regional Certifications	CE, UKCA, FCC, UL, VCCI, KCC, MIC, RCM (C-Tick)
Environmental	WEEE, RoHS, REACH
Warranty	Two-year manufacturer’s warranty