---
product_id: 330644350
title: "FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue)"
brand: "fstw"
price: "€ 52.96"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.nl/products/330644350-fst-pack-of-100-em-125khz-em4100-keyfobs-rfid-access
store_origin: NL
region: Netherlands
---

# Waterproof design 125KHz frequency Read-only security FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue)

**Brand:** fstw
**Price:** € 52.96
**Availability:** ✅ In Stock

## Summary

> Unlock the Future! 🔓

## Quick Answers

- **What is this?** FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue) by fstw
- **How much does it cost?** € 52.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/330644350-fst-pack-of-100-em-125khz-em4100-keyfobs-rfid-access)

## Best For

- fstw enthusiasts

## Why This Product

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

## Key Features

- • **🔒 Unique ID:** Each fob is one-of-a-kind for enhanced security.
- • **🏢 Versatile Use:** Perfect for offices, apartments, and parks.
- • **🔑 Secure Access:** Unlock doors with a simple tap!
- • **📦 Bulk Convenience:** 100 fobs to cover all your access needs.
- • **💧 Weatherproof Durability:** Built to withstand the elements.

## Overview

The FST EM 125KHz EM4100 Keyfobs are a pack of 100 high-quality, waterproof RFID access control cards designed for secure and convenient entry. Each fob features a unique ID and is compatible with various access control systems, making them ideal for both residential and commercial use.

## Description

FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue)

## Features

- Working 125KHz frequency. Made of high quality ABS material.
- TK4100 / EM4100 chip. Support Read only, not support write, not support copy.
- Each keyfob has metal keyring and unique ID number on it.
- ISO14443A Standard, waterproof. Can be programmed on the access controller directly.
- Package including 100pcs Blue keyfobs. Suitable for door access control system, video intercom system. apartment, office, park, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FSTW ELECTRI |
| Part Number | 1 |
| Package Dimensions | 14.8 x 13 x 5.7 cm; 450 g |
| Manufacturer reference | 1 |
| Colour | Blue |
| Material | Metal |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 450 g |

## Images

![FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue) - Image 1](https://m.media-amazon.com/images/I/61FY9U3HjKL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Customer Reviews

### ⭐⭐⭐ 







  
    Buon prodotto
  
  

*by A***O on Reviewed in Italy on 9 April 2021*

Buon prodotto e molto facile da usare

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**Shop now:** [https://www.desertcart.nl/products/330644350-fst-pack-of-100-em-125khz-em4100-keyfobs-rfid-access](https://www.desertcart.nl/products/330644350-fst-pack-of-100-em-125khz-em4100-keyfobs-rfid-access)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-25*