The CX-NFC04 NFC Antenna is a high-performance 13.56 MHz loop antenna designed for applications that require stable, reliable, and high-efficiency NFC communication. With an optimized magnetic field and low-loss copper structure, it delivers superior read/write performance even in compact or metal-adjacent device environments. Ideal for smart access systems, industrial controllers, medical devices, secure authentication systems, and IoT products requiring robust near-field connectivity.