# Cartão NFC em Branco: Your Gateway to Custom NFC Solutions As a tech enthusiast who loves automating daily tasks, I've found that **cartão NFC em branco** (blank NFC cards) are incredibly versatile tools. My personal journey with NFC technology began when I wanted to create a smart business card. Instead of handing out paper cards that often get lost, I programmed a blank NFC card with my contact details. When tapped against an NFC-enabled smartphone, it instantly shares my information—a small innovation that always impresses clients. ## What is a Cartão NFC em Branco? A **cartão NFC em branco** is a programmable NFC (Near Field Communication) card that comes without pre-written data. Unlike pre-programmed NFC cards, these blank slates allow users to encode custom information, URLs, contact details, Wi-Fi credentials, or automation commands. They function similarly to NFC tags but in a durable, credit-card-sized format. ### My NFC Programming Skill Development Learning to program these cards was easier than I anticipated. With a free mobile app like NFC Tools or a desktop writer, I encoded my first card within minutes. This skill has become a valuable asset in my tech toolkit—I've since created NFC cards for hotel room automation, interactive museum exhibits for a local charity, and even a "digital recipe book" for my kitchen where tapping a card opens a specific recipe on a tablet. ## Technical Specifications of Cartão NFC em Branco **Important Note:** The following technical parameters are reference data. For exact specifications, please contact our backend administration team. | Parameter | Specification | |-----------|---------------| | **Chip Type** | NTAG213, NTAG215, or NTAG216 (most common) | | **Memory Capacity** | NTAG213: 144 bytes, NTAG215: 504 bytes, NTAG216: 888 bytes | | **Communication Frequency** | 13.56 MHz | | **Read Range** | Up to 10 cm (depending on reader) | | **Data Retention** | 10 years minimum | | **Write Cycles** | 100,000 minimum | | **Dimensions** | Standard: 85.6mm × 54mm × 0.76mm (ISO/IEC 7810 ID-1) | | **Material** | PVC, PET, or epoxy | | **Operating Temperature** | -25°C to +70°C | | **Standards Compliance** | ISO/IEC 14443 Type A, ISO/IEC 18092 | ### Ent