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The SeeSiiNanoVNA-H4 is a cutting-edge vector network analyzer featuring a wide 9KHz-1.5GHz frequency range, a vibrant 4-inch touchscreen, and a generous 32GB microSD card for data storage. Designed for electronics engineers and radio enthusiasts, it offers advanced measurement capabilities including SWR, phase, delay, and Smith chart analysis. Enhanced with a powerful frequency algorithm and PC connectivity, it streamlines antenna testing and optimization with professional-grade precision.









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