ECG monitor PCBs are high-precision core components engineered to capture and amplify the heart’s faint electrical signals with exceptional accuracy—critical for distinguishing subtle cardiac abnormalities. Equipped with ultra-low-noise analog front-ends (AFEs) that minimize interference, high-resolution ADCs (≥16-bit) for precise signal conversion, and advanced digital filtering algorithms, these specialized boards effectively eliminate motion artifacts and electromagnetic interference to generate clear, diagnostic-grade ECG waveforms. Our manufacturing process prioritizes signal integrity through impedance-controlled routing and strict patient safety isolation (compliant with IEC 60601 standards), integrating biocompatible materials and rigorous quality testing to ensure stable, reliable performance across clinical hospital monitoring and home care scenarios.