--- product_id: 467445133 title: "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: "¥6656" currency: JPY in_stock: true reviews_count: 6 category: "Lexi" url: https://www.desertcart.jp/products/467445133-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid-pvc store_origin: JP region: Japan --- # 0-10cm range 100K rewrites Unique ID 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:** ¥6656 **Availability:** ✅ In Stock ## Summary > 🔑 Unlock Your Access Potential! ## Quick Answers - **What is this?** 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?** ¥6656 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/467445133-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid-pvc) ## 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 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 name - Block 0 can not be written. Misleading product and description. Do not buy. Review: Yes they work with Skylanders and are UID unlocked - If your looking to make Skylander Cards back up these are perfect. And since they are UID unlocked you can use swappers and use in multiplayer. ## 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 Only | | Antenna Location | Home Security | | Best Sellers Rank | #155,072 in Computers ( See Top 100 in Computers ) #1,278 in External Memory Card Readers | | Brand | Lexi | | Built-In Media | 20pcs Rewritable UID Smart Card | | Color | White | | Colour | White | | Compatible Devices | Smartphone | | Compatible devices | Smartphone | | Connectivity Technology | Wireless | | Connectivity technology | Wireless | | Control Method | App | | Customer Reviews | 4.1 out of 5 stars 59 Reviews | | Installation Method | Self-Adhesive | | Item Dimensions | 8.4 x 5.5 x 0.1 centimeters | | Item Weight | 118 g | | Item dimensions L x W x H | 8.4 x 5.5 x 0.1 centimeters | | Manufacturer | LEXI | | Mfr Part Number | S601 | | Model Number | UID-20 | | Power Source | Corded Electric | | Power source | Corded Electric | | 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 ![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. ## Customer Reviews ### ⭐ Block 0 can not be written. Misleading product name *by T***I on 27 December 2023* Block 0 can not be written. Misleading product and description. Do not buy. ### ⭐⭐⭐⭐⭐ Yes they work with Skylanders and are UID unlocked *by C***L on 16 March 2026* If your looking to make Skylander Cards back up these are perfect. And since they are UID unlocked you can use swappers and use in multiplayer. ### ⭐⭐⭐⭐⭐ Gen 1a Mifare Classic 1K, works great. *by K***. on 2 May 2026* These are Gen 1a Mifare Classic 1K Cards. I was able to write to them with proxmark and programmed for my apartment key. I have attached an image of the initial readout. ## 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 --- ## 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.jp/products/467445133-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid-pvc](https://www.desertcart.jp/products/467445133-20pcs-rewritable-uid-smart-card-13-56mhz-changeable-rfid-pvc) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-21*