---
product_id: 254509919
title: "HID OMNIKEY 3121 USB Smart Card Reader eID ID Identity Card Digital Signature"
brand: "hid"
price: "164 zł"
currency: PLN
in_stock: true
reviews_count: 8
category: "Hid"
url: https://www.desertcart.pl/products/254509919-hid-omnikey-3121-usb-smart-card-reader-eid-id-identity
store_origin: PL
region: Poland
---

# Reads national ID & digital signatures Long USB cable for flexible setup Robust housing ensures durability HID OMNIKEY 3121 USB Smart Card Reader eID ID Identity Card Digital Signature

**Brand:** hid
**Price:** 164 zł
**Availability:** ✅ In Stock

## Summary

> 🔐 Elevate your digital identity game with HIDOMNIKEY 3121!

## Quick Answers

- **What is this?** HID OMNIKEY 3121 USB Smart Card Reader eID ID Identity Card Digital Signature by hid
- **How much does it cost?** 164 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/254509919-hid-omnikey-3121-usb-smart-card-reader-eid-id-identity)

## Best For

- hid enthusiasts

## Why This Product

- Trusted hid brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Secure Digital Identity:** Effortlessly read national ID cards and sign digital documents with trusted precision.
- • **Universal Compatibility:** Supports Linux and Windows 7, integrating effortlessly into your existing tech stack.
- • **Seamless Vertical Design:** Optimized for upright use with a non-slip base for stability in busy workspaces.
- • **Military-Grade Durability:** Robust housing built to withstand daily professional use without compromise.
- • **Plug & Play USB Connectivity:** Long USB cable ensures hassle-free connection and flexible placement.

## Overview

The HIDOMNIKEY 3121 is a professional-grade USB smart card reader designed for secure digital identity verification and electronic signatures. Featuring a durable build, a non-slip base for vertical positioning, and a long USB cable for flexible setup, it supports national ID cards and works seamlessly with Linux and Windows 7 systems.

## Description

HID OMNIKEY 3121 USB Smart Card Reader eID ID Identity Card Digital Signature

Review: Reliable and Plug-and-Play – Perfect for Secure Transactions - I needed a dependable reader for my smart card tasks, and the OMNIKEY 3121 has been flawless. It was truly plug-and-play on my system with no driver headaches. The base is weighted nicely so it doesn't slide around when inserting cards, and the build quality feels professional and durable. It’s a standard for a reason—fast, secure, and consistent performance
Review: Exactly the same and good quality - Perfect

## Features

- Convenient for vertical position. Non slip base included
- Robust housing and long USB cable
- Reads national ID cards and sign digital signatures

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | HID |
| Product Dimensions | 8 x 2.8 x 6.7 cm; 120 Grams |
| Item model number | R31210320-01 |
| Manufacturer | HID Identity |
| Series | OMNIKEY 3121 |
| Color | Gray |
| Form Factor | Internal |
| Standing screen display size | 7 Inches |
| Wireless Type | 802.11a/b/g/n |
| Voltage | 120 Volts |
| Wattage | 60.00 |
| Power Source | USB |
| Operating System | Linux, Windows 7 |
| Are Batteries Included | No |
| Item Weight | 120 g |

## Images

![HID OMNIKEY 3121 USB Smart Card Reader eID ID Identity Card Digital Signature - Image 1](https://m.media-amazon.com/images/I/81bEjMNMdbL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: It’s not working with windows 10?**
A: Dear customer hid omnikey 3121 works with windows 10 but pls note you need an application to get output from the smart card. It will not transit any data direclty to excel or word. Regards

**Q: Os not support**
A: supports

**Q: Is there warranty for this product? How long?**
A: Yes one year warranty

**Q: Can you update the software? because it can't read the new ids (uae). thanks**
A: the device does not come with any software. however you can visit the the HID Omnikey site and find the drivers and related softwares on the site.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable and Plug-and-Play – Perfect for Secure Transactions
*by H***M on 9 February 2026*

I needed a dependable reader for my smart card tasks, and the OMNIKEY 3121 has been flawless. It was truly plug-and-play on my system with no driver headaches. The base is weighted nicely so it doesn't slide around when inserting cards, and the build quality feels professional and durable. It’s a standard for a reason—fast, secure, and consistent performance

### ⭐⭐⭐⭐⭐ Exactly the same and good quality
*by R***N on 7 December 2025*

Perfect

### ⭐⭐⭐ It’s displayed in the system it’s connected but not able to use it
*by B***N on 21 August 2025*

Can anyone help me how to use it I installed its driver still unable to use it. Can anyone guide me how does it work

## Frequently Bought Together

- HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray
- Identiv SCR3310v2.0 USB Smart Card Reader
- Taglio PIVKey C910 Certificate Based PKI Smart Card for Authentication and Identification, Dual Interface Contact/Contactless Smart Card, Supports Windows PIV Drivers, Standard ISO.

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**Shop now:** [https://www.desertcart.pl/products/254509919-hid-omnikey-3121-usb-smart-card-reader-eid-id-identity](https://www.desertcart.pl/products/254509919-hid-omnikey-3121-usb-smart-card-reader-eid-id-identity)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-17*