--- product_id: 468890984 title: "LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector" brand: "lexi" price: "€ 91.73" currency: EUR in_stock: true category: "Lexi" url: https://www.desertcart.sk/products/468890984-lexi-20pcs-changeable-uid-smart-card-rewritable-13-56mhz-rfid store_origin: SK region: Slovakia --- # 13.56MHz frequency 100,000+ rewrites Unique encrypted UID LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector **Brand:** lexi **Price:** € 91.73 **Availability:** ✅ In Stock ## Summary > 🔑 Unlock smarter access with LEXI’s endlessly rewritable RFID cards! ## Quick Answers - **What is this?** LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector by lexi - **How much does it cost?** € 91.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/468890984-lexi-20pcs-changeable-uid-smart-card-rewritable-13-56mhz-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 - • **Rugged & Ready:** Waterproof PVC design with wide temperature tolerance (-40°C to 65°C) for all environments. - • **Seamless Compatibility:** Works flawlessly with all 13.56MHz door access control systems for effortless integration. - • **Optimal Proximity Range:** Reliable reading distance up to 10cm, balancing convenience with security. - • **Encrypted Security Built-In:** Each card features a unique, reprogrammable encrypted ID ensuring top-tier access control. - • **Endless Rewrites, Limitless Access:** Supports over 100,000 read/write cycles for unmatched durability and sustainability. ## Overview The LEXI 20pcs Changeable UID Smart Cards operate at 13.56MHz frequency, compatible with all MI-Fare Classic 1K systems. Each PVC card features a unique encrypted ID, supports over 100,000 rewrites, and offers a reliable reading range of up to 10cm. Designed for durability with waterproof material and wide temperature tolerance, these cards are ideal for professional-grade door access control in offices, apartments, and secure facilities. ## 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 ## Features - ★Support read, write and copy, over 100, 000 rewrite times. - ★Working frequency is 13.56MHz. Compatible with all kinds of door access control system. - ★Each card with a unique encrypted ID number, can be reprogrammed. - ★Suitable for 13.56MHz card reader and reading distance is 0-10cm (0-4inch). - ★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 | B0895Y5LGT | | Item model number | IC | | Manufacturer | Lexi | | Product Dimensions | 8.5 x 5.4 x 0.18 cm; 118 g | ## Images ![LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz 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) ![LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz 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/51dF863U0zL.jpg) ![LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz 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/4186hSxQvBL.jpg) ![LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz 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/51dwxgNDuIL.jpg) ![LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz 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/31a9Yup7M0L.jpg) ## Questions & Answers **Q: Is this a gen 2 card? Is it writable by Android devices?** A: This card is 13.56MHz writable UID card, can copy mi-fare IC card, used for access control system. you can use rfid device to program this card. **Q: are they compatible with Isonas?** A: I am not know too much about Isonas, this card is 13.56MHz writable UID card, you need to guarantee the working frequency of your access control device is 13.56MHz. **Q: I bought this product with the intention of being able to write to sector 0, but i can write to all sectors except sector 0, so i can't change the uid** A: you need a more powerful card reader. ## Frequently Bought Together - LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector - UID Rewrite Changeable 13.56mhz Smart IC Key Tag Writable Zero 0 Sector 0 Block GEN1 Back up S50 1k Card for ACR122U-A9 Device Copier Clone 10pcs/lot by XCRFID - OBO HANDS Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable --- ## 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.sk/products/468890984-lexi-20pcs-changeable-uid-smart-card-rewritable-13-56mhz-rfid](https://www.desertcart.sk/products/468890984-lexi-20pcs-changeable-uid-smart-card-rewritable-13-56mhz-rfid) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-27*