---
product_id: 467445133
title: "LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector"
brand: "lexi"
price: "€ 34.49"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/467445133-lexi-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid
store_origin: IE
region: Ireland
---

# 0-10cm range 100K rewrites Unique ID LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector

**Brand:** lexi
**Price:** € 34.49
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock Your Access Potential!

## Quick Answers

- **What is this?** LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector by lexi
- **How much does it cost?** € 34.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/467445133-lexi-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid)

## Best For

- lexi enthusiasts

## Why This Product

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

## Key Features

- • **Rewrite Your Access:** Enjoy over 100,000 rewrites for ultimate flexibility.
- • **ISO Compliant Excellence:** Fully compliant with ISO/IEC 14443A protocol for universal compatibility.
- • **Security Meets Convenience:** Each card features a unique encrypted ID for enhanced security.
- • **Precision at Your Fingertips:** Reading distance of 0-10cm for quick and efficient access.
- • **Unlock Limitless Possibilities:** Compatible with all door access systems, ensuring seamless entry.

## Overview

The LEXI 20pcs Rewritable UID Smart Card operates at 13.56MHz, making it compatible with various door access control systems. With the ability to read, write, and copy over 100,000 times, each card features a unique encrypted ID number and is suitable for use with 13.56MHz card readers, boasting a reading distance of 0-10cm. Fully compliant with MI-FARE Classic 1K standards and ISO/IEC 14443A protocol, these cards are designed for both security and convenience.

## Description

20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector

## Features

- 1. Working frequency is 13.56MHz. Compatible with all kinds of door access control system.
- 2. Support read, write and copy, over 100, 000 rewrite times.
- 3. Each card with a unique encrypted ID number, can be reprogrammed.
- 4. Suitable for 13.56MHz card reader and reading distance is 0-10cm (0-4inch).
- 5. Fully compatible to MI-FARE Classic 1K,4-byte UID, 1K Byte memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0894KMDMG |
| Alert Type | Motion |
| Best Sellers Rank | #31,449 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Commercial Access Cards |
| Brand | Lexi |
| Color | White |
| Compatible Devices | [INFERRED] Devices using 13.56MHz RFID technology for door access control |
| Connectivity Technology | Wireless |
| Control Method | App |
| Installation Method | Self-Adhesive |
| Item Dimensions | 3.3 x 2.17 x 0.05 inches |
| Item Height | 0.05 inches |
| Item Weight | 0.26 Pounds |
| Item dimensions L x W x H | 3.3 x 2.17 x 0.05 inches |
| Manufacturer | LEXI |
| Model Number | UID-20 |
| Power Source | Battery Powered |
| Sensor Technology | RFID |
| UPC | 191171075802 |
| Unit Count | 20.0 Count |
| Voltage | 24 Volts |

## Product Details

- **Brand:** Lexi
- **Colour:** White
- **Power source:** Corded Electric
- **Compatible devices:** Smartphone
- **Item dimensions L x W x H:** 8.4 x 5.5 x 0.1 centimeters

## Images

![LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector - Image 1](https://m.media-amazon.com/images/I/51xXeN0EWKL.jpg)

## Questions & Answers

**Q: Can these cards be hole punched?  Is the antenna depth from the edges consistent for each card?  I need a depth greater than 9mm.**
A: Yes, you can punch hole on its non-wire area, this won't influence the card functions.

**Q: Can these be hole punched?  NOT**
A: yes, if not tough the inside wires.

**Q: Are these Magic Gen1a, 1b, or 2?**
A: This cards are 13.56MHz UID cards, they are writable and changeable, use to copy the 13.56MHz RFID cards.

**Q: For hole punch, how far, in mm, from the edge is the antenna on the top edge (narrow side of card)?**
A: You can illuminate the inside of the card with a strong light in a dark environment to see where its cables are located.

## Frequently Bought Together

- LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector
- ACS ACR122U NFC Reader Writer + 5 PCS Ntag213 NFC Tag + Free Software
- LEXI 100pcs Mi-Fare 1K S50 RFID Card, Rewritable UID Smart Card, Premium 13.56MHz PVC Blank Card for Door Access Control, Block 0 Sector

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-26*