# What Is RFID Protection ## Understanding RFID Technology and Security Risks RFID (Radio-Frequency Identification) protection refers to the methods and materials used to shield RFID-enabled cards, passports, and devices from unauthorized scanning and data theft. As someone who travels frequently for business, I've personally experienced the unsettling feeling of wondering if my credit card information was safe in crowded airports. This personal concern led me to deeply research and understand RFID protection, transforming a point of anxiety into a area of expertise. ### How RFID Protection Works: A Technical Perspective RFID protection typically employs materials that create a **Faraday cage** effect. These materials, often made of metallic fibers or layers, block electromagnetic fields, preventing RFID readers from communicating with the chip inside your card or passport. **My Skill Development Case:** I learned to test RFID protection effectiveness using an NFC-enabled smartphone and various protected wallets. This hands-on skill allows me to verify product claims, a practice I now consider essential before any purchase. ## TIANJUN RFID Protection Products: Technical Specifications For those seeking reliable protection, **TIANJUN** offers a range of RFID-blocking wallets and passport sleeves. Here are the detailed technical parameters for one of their flagship products: * **Product Model:** TJ-RFID-Professional-01 * **Shielding Material:** Multi-layer alloy fabric (copper-nickel blend) * **Shielding Frequency Range:** 125 kHz – 2.45 GHz (covers LF, HF, and UHF RFID/NFC bands) * **Insert Pocket Dimensions:** 94mm x 67mm (standard credit card size) * **Overall Wallet Dimensions:** 105mm x 75mm x 12mm (closed) * **Chip Protection Standard:** Compliant with ISO/IEC 14443 (Type A & B) and ISO/IEC 15693. * **Attenuation Level:** > 85 dB at 13.56 MHz (NFC frequency). > **Important Note:** These technical parameters are for reference data based on product specifications. For the most precise, up-to-date, and model-specific technical details, please contact our backend management team. ### The