---
product_id: 394143757
title: "125khz key fob, access rfid tag em4100 chip for access control (pack of 10)"
brand: "yarongtech"
price: "€ 26.81"
currency: EUR
in_stock: true
reviews_count: 5
category: "Yarongtech"
url: https://www.desertcart.es/products/394143757-125khz-key-fob-access-rfid-tag-em4100-chip-for-access
store_origin: ES
region: Spain
---

# 6-color mix for easy ID differentiation 125kHz EM4100 chip frequency Read-only, tamper-proof security 125khz key fob, access rfid tag em4100 chip for access control (pack of 10)

**Brand:** yarongtech
**Price:** € 26.81
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock effortless security with style and precision

## Quick Answers

- **What is this?** 125khz key fob, access rfid tag em4100 chip for access control (pack of 10) by yarongtech
- **How much does it cost?** € 26.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/394143757-125khz-key-fob-access-rfid-tag-em4100-chip-for-access)

## Best For

- yarongtech enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack for Teams:** 10-pack bundle perfect for offices, co-working spaces, or property managers
- • **Vibrant Color Coding:** 6-color mix pack lets you organize and identify users at a glance
- • **Plug & Play Convenience:** Compatible with standard 125kHz readers like TIVIO keypad—no setup hassle
- • **Secure Access, No Compromise:** 125kHz EM4100 chip ensures reliable, tamper-proof entry every time
- • **Unique ID, Zero Cloning Risk:** Pre-programmed, unchangeable UID guarantees exclusive access control

## Overview

The YARONGTECH 125kHz key fob pack includes 10 durable, plastic RFID tags embedded with EM4100 chips. Each fob features a unique, read-only ID pre-programmed for secure access control, compatible with standard 125kHz readers (excluding HID). The mixed-color design enhances user management, making it ideal for professional environments requiring reliable, tamper-proof entry solutions.

## Description

1.EM4100 Chip 2.125khz 3.read only 4.not H ID mode

Review: Purchase 10 key fobs. The work well with a TIVIO key pad.
Review: Fob

## Features

- 125khz EM4100 Chip,Read Only,can't rewritable,If you need rewritable Keyfob,please contact with us
- all the chip has pre-programmed with Unique ID Number,but UID can't change,UID is pre-printed on the keyfob
- it's normal ID 125KHZ Keyfob,not H ID Keyfob,so it can't work with H ID reader
- each package has 6 color mix,10pcs for each package."

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07H9CYD1Q |
| ASIN  | B0DBYMKTKW |
| Best Sellers Rank | #115,202 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #40 in Home Security Access-Control Keypads |
| Brand Name | YARONGTECH |
| Closure Type | Pull On |
| Color | Mix Color |
| Customer Reviews | 3.6 3.6 out of 5 stars (204) |
| Customer reviews | 3.6 3.6 out of 5 stars (204) |
| Date First Available  | 12 June 2021 |
| Department  | Unisex |
| Included Components | 10x Keyfobs (mix of 6 colors) |
| Is Discontinued By Manufacturer  | No |
| Item Shape | Rectangular |
| Item Weight | 0.04 Kilograms |
| Manufacturer | YARONG |
| Manufacturer  | YARONG |
| Material Type | Plastic |
| Number of Pieces | 10 |
| Pattern | Solid |
| Product Style | Modern |
| Size | 34.5x28x7mm |
| Unit Count | 10.0 Count |

## Images

![125khz key fob, access rfid tag em4100 chip for access control (pack of 10) - Image 1](https://m.media-amazon.com/images/I/61iadGf5PGL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 8 October 2018*

Purchase 10 key fobs. The work well with a TIVIO key pad.

### ⭐⭐⭐⭐⭐ Review
*by R***K on 5 August 2021*

Fob

### ⭐⭐⭐⭐⭐ Review
*by A***R on 11 April 2022*

I purchased this for the retenkess pin pad https://www.amazon.ca/Retekess-K10EM-W-Control-Waterproof-Waterpfoof/dp/B07QSFR4FF I use it for a garage door opener. It works perfectly!

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**Shop now:** [https://www.desertcart.es/products/394143757-125khz-key-fob-access-rfid-tag-em4100-chip-for-access](https://www.desertcart.es/products/394143757-125khz-key-fob-access-rfid-tag-em4100-chip-for-access)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-01*