---
product_id: 506140994
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: "$74.56"
currency: USD
in_stock: true
reviews_count: 5
url: https://www.desertcart.ec/products/506140994-lexi-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid
store_origin: EC
region: Ecuador
---

# 13.56MHz frequency 100,000+ rewrites Unique encrypted UID 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:** $74.56
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock smarter access with LEXI’s rewritable RFID cards — your key to next-level security!

## 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?** $74.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/506140994-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

- • **Optimal Range:** Reliable read distance up to 10cm for quick, hassle-free access every time.
- • **Secure & Unique:** Each card features a unique encrypted ID, ensuring top-tier security and personalization.
- • **Endless Reusability:** Over 100,000 rewrite cycles keep your access control fresh and flexible.
- • **Durable & Waterproof:** Crafted from high-quality PVC, built to withstand daily use and environmental challenges.
- • **Seamless Compatibility:** Works flawlessly with all 13.56MHz door access systems for instant integration.

## Overview

The LEXI 20pcs Rewritable UID Smart Cards operate at 13.56MHz, compatible with MI-Fare Classic 1K systems, offering over 100,000 rewrite cycles and unique encrypted IDs. Designed for secure, flexible door access control with a reading range up to 10cm, these durable PVC cards are perfect for offices, apartments, and more.

## Description

Product Feature Chip: UID Material: PVC Frequency: 13.56MHz Material: High quality ABS Operation frequency: 13.56MHz Read and rewrite key tags Compatible with all Door Entry system Reading distance: 0-10cm (Depending on the reader's design,environment and application) Working temperature: -40 °C~ 65 °C Store temperature: -25 °C ~50 °C Read/write Times: 100000 times Product Description 1. High quality RFID cards proximity door control access. 2. Each card without a unique ID number 3. Suitable for 13.56MHz card reader and reading distance is 0-10cm. 4. Widely used at apartment, office, park and other places. 5. 100% brand new and high quality. 6. Read, Writable and Rewrite. Waterproof 7. Can copy write mi-fare 1k key card

Review: Block 0 can not be written. Misleading product and description. Do not buy.
Review: Worked as intended. I like to replay the Skylanders games and these are perfect for writing the dump files to. I've purchased multiple packs

## 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 |
| Brand | Lexi |
| Colour | White |
| Customer Reviews | 4.1 4.1 out of 5 stars (48) |
| Date First Available | 23 Dec. 2022 |
| Guaranteed software updates until | unknown |
| Included components | 20pcs Rewritable UID Smart Card |
| Item Weight | 118 g |
| Item model number | UID-20 |
| Package Dimensions L x W x H | 9.7 x 6.3 x 2 centimetres |
| Package Weight | 0.12 Kilograms |
| Part number | S601 |
| Plug profile | Door Mount |
| Product Dimensions L x W x H | 8.4 x 5.5 x 0.1 centimetres |

## Product Details

- **Brand:** Lexi
- **Colour:** White
- **Compatible devices:** Smartphone
- **Item dimensions L x W x H:** 8.4 x 5.5 x 0.1 centimetres
- **Power source:** Battery Powered

## 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/31a9Yup7M0L.jpg)
![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 2](https://m.media-amazon.com/images/I/41B+Yb9l6SL.jpg)
![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 3](https://m.media-amazon.com/images/I/41TXEztA6uL.jpg)
![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 4](https://m.media-amazon.com/images/I/51ADB6BIZeL.jpg)
![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 5](https://m.media-amazon.com/images/I/51dKfW6e7dL.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.

## Customer Reviews

### ⭐ Review
*by T***I on 27 December 2023*

Block 0 can not be written. Misleading product and description. Do not buy.

### ⭐⭐⭐⭐⭐ Review
*by J***N on 2 February 2026*

Worked as intended. I like to replay the Skylanders games and these are perfect for writing the dump files to. I've purchased multiple packs

### ⭐⭐⭐⭐⭐ Review
*by C***E on 29 March 2025*

Worked great to create NFC card skylanders

## 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 Ecuador*
*Store origin: EC*
*Last updated: 2026-02-17*