---
product_id: 48051749
title: "USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs"
brand: "neuftech"
price: "€ 45.37"
currency: EUR
in_stock: true
reviews_count: 13
category: "Neuftech"
url: https://www.desertcart.at/products/48051749-usb-rfid-reader-125khz-em4100-tk4100-card-tag-id-reader
store_origin: AT
region: Austria
---

# 125 kHz ultra-fast reading USB-powered, no external supply Plug & Play, driver-free USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs

**Brand:** neuftech
**Price:** € 45.37
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock Efficiency with Instant RFID Access!

## Quick Answers

- **What is this?** USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs by neuftech
- **How much does it cost?** € 45.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/48051749-usb-rfid-reader-125khz-em4100-tk4100-card-tag-id-reader)

## Best For

- neuftech enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Works flawlessly across Windows, Linux, Raspberry Pi, and more—future-proof your setup.
- • **Compact & Portable Design:** Sleek 9.5 x 6.1 cm footprint fits anywhere—perfect for on-the-go professionals.
- • **Ready-to-Use with 5 Keyfobs:** Get started immediately with included RFID keychains for effortless tagging.
- • **Seamless USB Power & Connectivity:** Plug into any USB port and start reading instantly—no extra power or drivers needed.
- • **Lightning-Fast 125 kHz RFID Scanning:** Capture EM4100/TK4100 card IDs in a flash for smooth access control and tracking.

## Overview

The Neuftech USB RFID Reader is a compact, plug-and-play device designed for ultra-fast 125 kHz EM4100/TK4100 card reading. Powered directly via USB with no external supply or drivers required, it delivers seamless integration across multiple operating systems. Ideal for access control, time tracking, and secure identification, it comes bundled with 5 RFID keyfobs for immediate use.

## Description

Product Description Neuftech USB RFID Reader ID Card Reader Card Reader for EM4100 Technical data: Color: Black. Cable length: approx. 130 cm keychain: 5 pieces. Power supply: USB interface: USB; operating frequency: 125 kHz. Display: LEDs and beeper support for TK4100, EM4100 card. But the format of the ID card can be edited. Small size with USB interface, do not need a driver. Directly from USB powered, no external power supply required. Areas of application: Transponder access controls, time tracking systems, etc. Once the card is identified, the ID number of the card is sent directly to the PC via USB, such as input data from the keyboard. Package contents: 1 x ID card reader; 1 x USB cable; 5 x key rings

Review: As an RFID tag reader, it works well. - As an RFID tag reader, it works well. Plug into USB port (I tried Win 10 and, Raspbian), open a text editor, scan a tag, it reads the tag ID and squirts it to the text editor. I followed instructions from another very kind reviewer: (Alex in Germany said: If you want to control the device under Linux e.g. a Raspberry Pi can intercept the input e.g. with the python “evdev” module with the command: dev = evdev.inputDevice (“/dev/input/by-ID/USB-hxgcoltd_27db-event-kbd”) ) Using this guidance it was straight forward to capture the read-events, send them into my python code and parse to reconstruct the preprogrammed tag number. That capture instruction from Alex should be made more widely available IMHO. It's about 6cm x 9.5cm, light and compact. I didn't subject it to intensive use, so can't talk about durability.
Review: Works well, only downside is slightly cheap feeling - I plugged it in and it worked straight away. Only downside is the case is a little cheap feeling so I'll need to add some weight to it to use it in practice.

## Features

- Small size, plug and play. Support for EM4100 / TK4100 ID card
- This one is only a rfid reader, can not be used to duplicate other cards and write.
- Fast in reading the RFID Tags, direct need from the USB-powered, no external power supply
- 125khz RFID reader with USB interfce, do not need a driver
- Widely used in playgrounds, hospitals, residential areas, entertainment venues, schools, subway, etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B018OYOR3E |
| Brand | Neuftech |
| Brand Name | Neuftech |
| Colour | Black |
| Compatible Devices | Desktop |
| Compatible devices | Desktop |
| Connectivity technology | USB |
| Customer Reviews | 4.0 out of 5 stars 687 Reviews |
| Data Transfer Rate | 125 Kbps |
| Hardware Interface | USB |
| Item Dimensions L x W x H | 9.5L x 6.1W x 1.5H centimetres |
| Manufacturer | Neuftech |
| Manufacturer Part Number | EU-RFID Reader+5Keychain |
| Model Number | EU-RFID Reader+5Keychain |
| Network Connectivity Technology | USB |
| Operating System | Alle Betriebssysteme |
| Product Features | Plug & Play |
| Product dimensions | 9.5L x 6.1W x 1.5H centimetres |
| Slot Count | 1 |
| Special feature | Plug & Play |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Neuftech
- **Colour:** Black
- **Compatible devices:** Desktop
- **Connectivity technology:** USB
- **Product dimensions:** 9.5L x 6.1W x 1.5H centimetres

## Images

![USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs - Image 1](https://m.media-amazon.com/images/I/71N9zStJUbL.jpg)
![USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs - Image 2](https://m.media-amazon.com/images/I/71jo9yzGfEL.jpg)
![USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs - Image 3](https://m.media-amazon.com/images/I/71cl+yJNr7L.jpg)
![USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs - Image 4](https://m.media-amazon.com/images/I/71ka3t6i9UL.jpg)
![USB RFID Reader 125KHZ EM4100 / TK4100 Card Tag ID Reader With 5pcs Keyfobs - Image 5](https://m.media-amazon.com/images/I/715LgwVlX9L.jpg)

## Questions & Answers

**Q: Can the reader be used to duplicate other cards ?**
A: No, This one is only a reader.

**Q: Says "- the format of id card reader can be change" where do i get software to do this?**
A: I have asked the same question.  If you do find the software, please let me know too.

**Q: does it work for android and ios?**
A: hi it works with win 10 and ios , i have three, all working fine

**Q: Can this work on a Mac computer?**
A: hello Miss Dup，thanks for you contacting us, yes this item can work on Mac computer

## Customer Reviews

### ⭐⭐⭐⭐⭐ As an RFID tag reader, it works well.
*by _***K on 18 March 2021*

As an RFID tag reader, it works well. Plug into USB port (I tried Win 10 and, Raspbian), open a text editor, scan a tag, it reads the tag ID and squirts it to the text editor. I followed instructions from another very kind reviewer: (Alex in Germany said: If you want to control the device under Linux e.g. a Raspberry Pi can intercept the input e.g. with the python “evdev” module with the command: dev = evdev.inputDevice (“/dev/input/by-ID/USB-hxgcoltd_27db-event-kbd”) ) Using this guidance it was straight forward to capture the read-events, send them into my python code and parse to reconstruct the preprogrammed tag number. That capture instruction from Alex should be made more widely available IMHO. It's about 6cm x 9.5cm, light and compact. I didn't subject it to intensive use, so can't talk about durability.

### ⭐⭐⭐⭐ Works well, only downside is slightly cheap feeling
*by A***E on 5 June 2020*

I plugged it in and it worked straight away. Only downside is the case is a little cheap feeling so I'll need to add some weight to it to use it in practice.

### ⭐⭐⭐⭐⭐ Just plug in and play
*by F***Y on 9 January 2020*

Can’t complain for the money. Plugged it in and it worked. Reads from a few centimetres away from the tag.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.at/products/48051749-usb-rfid-reader-125khz-em4100-tk4100-card-tag-id-reader](https://www.desertcart.at/products/48051749-usb-rfid-reader-125khz-em4100-tk4100-card-tag-id-reader)

---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-10*