---
product_id: 253759659
title: "Rubik Employee Cards, 125Khz TK4100 EM4100 RFID Card Clamshell ID & Door Access (Non Writeable, Fixed Number) RFID Proximity Cards (25 Cards)"
brand: "rubik"
price: "187 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/253759659-rubik-employee-cards-125khz-tk4100-em4100-rfid-card-clamshell-id
store_origin: RO
region: Romania
---

# Fixed Unique ID 25 Card Pack 125Khz Frequency Rubik Employee Cards, 125Khz TK4100 EM4100 RFID Card Clamshell ID & Door Access (Non Writeable, Fixed Number) RFID Proximity Cards (25 Cards)

**Brand:** rubik
**Price:** 187 Lei
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock the Future of Access Control!

## Quick Answers

- **What is this?** Rubik Employee Cards, 125Khz TK4100 EM4100 RFID Card Clamshell ID & Door Access (Non Writeable, Fixed Number) RFID Proximity Cards (25 Cards) by rubik
- **How much does it cost?** 187 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/253759659-rubik-employee-cards-125khz-tk4100-em4100-rfid-card-clamshell-id)

## Best For

- rubik enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Compact:** Easy to carry and store, weighing only 220g.
- • **Secure Access Control:** Ensure only authorized personnel can enter restricted areas.
- • **Versatile Applications:** Perfect for offices, apartments, and transport systems.
- • **Durable Clamshell Design:** Built to withstand daily use in various environments.
- • **Effortless Employee Identification:** Streamline your ID processes with fixed unique numbers.

## Overview

The Rubik Employee Cards are a set of 25 non-writable RFID proximity cards designed for secure access control and employee identification. Operating at a frequency of 125Khz, each card features a fixed unique ID number, making them ideal for various applications such as offices, apartment buildings, and transport systems.

## Description

Rubik Employee Cards, 125Khz TK4100 EM4100 RFID Card Clamshell ID & Door Access (Non Writeable, Fixed Number) RFID Proximity Cards (25 Cards)

## Features

- Note: This is not a writeable card. Each card has fixed unique ID number, which is printed on the card.
- Rubik Chip TK4100 (compatible with EM4100) 125Khz read only (NOT FOR COPY PURPOSE)
- Suitable for Employees ID or Access Control where you want to control the cards by number.
- Widely used at apartment building, offices, Transports, Lifts, Park and other places.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Rubik |
| Brand | Rubik |
| Package Dimensions | 9 x 6 x 5 cm; 220 g |
| Color | White |
| Size | 25 Cards |
| Manufacturer Part Number | RB-TK4100 |
| Item Weight | 220 g |

## Images

![Rubik Employee Cards, 125Khz TK4100 EM4100 RFID Card Clamshell ID & Door Access (Non Writeable, Fixed Number) RFID Proximity Cards (25 Cards) - Image 1](https://m.media-amazon.com/images/I/51qgfeKCfoL.jpg)

## Available Options

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

---

## 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.ro/products/253759659-rubik-employee-cards-125khz-tk4100-em4100-rfid-card-clamshell-id](https://www.desertcart.ro/products/253759659-rubik-employee-cards-125khz-tk4100-em4100-rfid-card-clamshell-id)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-22*