---
product_id: 42085724
title: "125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System"
brand: "jedrek"
price: "€ 2.21"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/42085724-125khz-mini-rfid-reader-mobile-phone-em4100-tk4100-id-card
store_origin: PT
region: Portugal
---

# 125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System

**Brand:** jedrek
**Price:** € 2.21
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System by jedrek
- **How much does it cost?** € 2.21 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/42085724-125khz-mini-rfid-reader-mobile-phone-em4100-tk4100-id-card)

## Best For

- jedrek enthusiasts

## Why This Product

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

## Description

Name: Mobile phone RFID Reader(125khz) Model: R65D Operating frequency: 125KHz Support card: EM4100 TK4100 125KHZ ETC Operating system: Android (need to support OTG),Windows Size (without interfaces): 35mm × 35mm × 7mm Package size: 71mm × 71mm × 19mm Reading distance: 0-30mm (front / rear reading); 0-10mm (side reading) Reading Time: less than 0.5s Reading interval: 0.3S Communication Interface: Mini USB Interface Operating Voltage: 5V Operating Current: 100mA Weight: 50G Working temperature: -10 ° C ~ 60 ° C Humidity: 5% ~ 95% Status Indicator: dual LED ( "blue" --- power indicator,  "green" --- status  indicator) Application: Attendance member management etc. Package List: 1 * 125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System 1 * TK4100 Card 1 * mirco to USB adapter 3*TK4100 keyfobs

## Images

![125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System - Image 1](https://m.media-amazon.com/images/I/71OWghUyfOL.jpg)
![125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System - Image 2](https://m.media-amazon.com/images/I/313A8wNYCmL.jpg)
![125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System - Image 3](https://m.media-amazon.com/images/I/41uDfzb+SWL.jpg)
![125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System - Image 4](https://m.media-amazon.com/images/I/71xaWsAa6WL.jpg)
![125KHz Mini RFID Reader Mobile Phone EM4100 TK4100 ID Card Reader mirco usb Interface Support Android System - Image 5](https://m.media-amazon.com/images/I/71KghkAJn8L.jpg)

---

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**Shop now:** [https://www.desertcart.pt/products/42085724-125khz-mini-rfid-reader-mobile-phone-em4100-tk4100-id-card](https://www.desertcart.pt/products/42085724-125khz-mini-rfid-reader-mobile-phone-em4100-tk4100-id-card)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-24*