Introducing our {Rectangle Square Coil Air-Cored Coil for RFID System Electronic Access Card}! As a factory committed to delivering high-quality products, we bring you an advanced innovation in coil technology. This rectangular square coil, specially designed for RFID systems, ensures seamless electronic access card operations. With its air-cored construction, it guarantees optimal performance and efficiency. Trust in our expertise as we prioritize precision in every aspect of our manufacturing process. Unlock convenience and security with our superior coil technology.