---
title: "MFKF-3 | MIFARE® 4K Proximity Key Fob - Roger"
description: "Roger - lider branży zabezpieczeń oferujący systemy kontroli dostępu, rejestracji czasu pracy, rejestracji pracy wartowników. Zapraszamy!"
url: "https://www.roger.pl/en/products/auxiliary-equipment-for-racs-5-and-racs-4/transponders/13-56-mhz-mifare/mfkf-3-mifare-4k-proximity-key-fob"
date: "2026-06-28T20:26:04+00:00"
language: "en-GB"
---

#  MFKF-3  MIFARE® 4K Proximity Key Fob

 ![MFKF-3](https://www.roger.pl/templates/yootheme/cache/19/mfkf-2-3-galeria-190612ab.png)MFKF-3

 ![MFKF-3 DIMENSIONS](https://www.roger.pl/templates/yootheme/cache/26/emkf-1_mfkf-1-rys-galeria-261b55e4.png)MFKF-3 DIMENSIONS

 [](#)

 [](#)

- [![MFKF-3](https://www.roger.pl/templates/yootheme/cache/c6/mfkf-2-3-galeria-c6c944dd.png)](#)
- [![MFKF-3 DIMENSIONS](https://www.roger.pl/templates/yootheme/cache/61/emkf-1_mfkf-1-rys-galeria-61313b04.png)](#)

 [ ](https://www.roger.pl/index.php?option=com_content&view=category&id=146&lang=en-GB)

 MFKF-3

- [About](#o-produkcie)
- [Versions](#dostepne-wersje)

- [Download](#do-pobrania)
- [Related products](#powiazane)

- [Quick links](#linki)

###  About

13.56 MHz MIFARE Classic 4K key fob.

---

###  Features

- 4 kB ROM Memory
- operation frequency 13.56 MHz
- reading distance 30-35 mm
- indoor use only
- made of ABS
- CE mark
- environmental conditions of operation:
    - temperature from -20°C to +85°C
    - humidity from 5% to 95%

---

###  Versions

[![MFKF-3 MIFARE® 4K Proximity Key Fob](https://www.roger.pl/images/kontrola-dostepu/oferta-uzupelniajaca/transpondery-zblizeniowe/mifare/mfkf-2_mfkf-3/mfkf-2-3-galeria.png "MFKF-3 MIFARE® 4K Proximity Key Fob")](https://www.roger.pl/images/kontrola-dostepu/oferta-uzupelniajaca/transpondery-zblizeniowe/mifare/mfkf-2_mfkf-3/mfkf-2-3-galeria.png)

**MFKF-3** 13.56 MHz MIFARE Classic 4K key fob

---

[WHERE TO BUY](https://www.roger.pl/index.php?option=com_storelocator&view=map&Itemid=525&lang=en)

---

###  Download

[ pdfMFKF-3 Data Sheet(132 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=2678-mfkf-3-data-sheet&category_slug=data-sheets&Itemid=646&lang=en)

[ pdfMFKF-xDeclaration of Conformity EC(92 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=1396-mfkf-xdeclaration-of-conformity-ec&category_slug=certificates&Itemid=649&lang=en)

---

###  Related products

 [ ![](https://www.roger.pl/templates/yootheme/cache/b5/mct12-intro-b538d83a.png)

###  PRT Series 13.56 MHz MIFARE® Proximity Readers

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=713:13-56-mhz-mifare&catid=138&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/21/mct68me-io-intro-21d32ea8.png)

###  MCT68ME-IO

Proximity Reader

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=400:mct68me-io-proximity-reader&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/b7/mct80m-ble-intro-b7ee3c9b.png)

###  MCT80M-BLE

Access Terminal

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=408:mct80m-ble-access-terminal&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/eb/mct82m-intro-ebb1e754.png)

###  MCT82M

Proximity Reader

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=396:mct82m-proximity-reader&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/8e/mct84m-intro-8e761549.png)

###  MCT84M

Proximity Reader

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=399:mct84m-proximity-reader&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/78/mct86m-io-ch-hr-intro-78c2180f.png)

###  MCT86M-IO-CH-HR

Access Terminal

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=398:mct86m-io-ch-hr-access-terminal&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/9f/mct88m-io-intro-9f5aad3b.png)

###  MCT88M-IO

Access Terminal

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=397:mct88m-io-access-terminal&catid=108&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/8e/mct84m-intro-8e761549.png)

###  PRT84ME

Access Terminal

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=509:prt84me-access-terminal&catid=135&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/fd/rud-6-lky-intro-fd3192b2.png)

###  RUD-3-DES

MIFARE® Classic &amp; DESFire USB Reader

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=551:rud-3-des-mifare-classic-plus-desfire-usb-reader&catid=141&lang=en-GB)

---

###  Quick links

 [ ![](https://www.roger.pl/images/ikony-oferta/wsparcie%201.svg)###  Inquiry

Więcej

 ](mailto:support@roger.pl)

 [ ![](https://www.roger.pl/images/ikony-oferta/gdzie-kupic.svg)###  WHERE TO BUY

Więcej

 ](https://www.roger.pl/index.php?Itemid=525)

 [ ![](https://www.roger.pl/images/ikony-oferta/cennik.svg)###  Download

Więcej

 ](https://www.roger.pl/index.php?Itemid=544)

 [ ![](https://www.roger.pl/images/ikony-oferta/kontakt.svg)###  Contact us

Więcej

 ](https://www.roger.pl/index.php?Itemid=523)

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Start", "item": "https://www.roger.pl/en" }, { "@type": "ListItem", "position": 2, "name": "Products", "item": "https://www.roger.pl/en/products" }, { "@type": "ListItem", "position": 3, "name": "Auxiliary Equipment for RACS 5 and RACS 4", "item": "https://www.roger.pl/en/products/auxiliary-equipment-for-racs-5-and-racs-4" }, { "@type": "ListItem", "position": 4, "name": "Transponders", "item": "https://www.roger.pl/en/products/auxiliary-equipment-for-racs-5-and-racs-4/transponders" }, { "@type": "ListItem", "position": 5, "name": "13.56 MHz MIFARE®", "item": "https://www.roger.pl/en/products/auxiliary-equipment-for-racs-5-and-racs-4/transponders/13-56-mhz-mifare" }, { "@type": "ListItem", "position": 6, "name": "MFKF-3 | MIFARE® 4K Proximity Key Fob", "item": "https://www.roger.pl/en/products/auxiliary-equipment-for-racs-5-and-racs-4/transponders/13-56-mhz-mifare/mfkf-3-mifare-4k-proximity-key-fob" } ] }
```

```json
{ "@context": "https://schema.org", "@type": "Product", "name": "MFKF-3 | MIFARE® 4K Proximity Key Fob", "image": "https://www.roger.pl/", "description": "13.56 MHz MIFARE Classic 4K key fob." }
```
