NanoVNA-H4 for RF Testing – 4-Inch Analyzer

Introducing the NanoVNA-H4 for RF Testing, the perfect solution for analyzing antennas and RF components. Whether you’re looking to test your antenna’s performance or need something to make RF measurements easier, this product has got you covered. Crafted to meet the needs of hobbyists, engineers, and technicians, it offers a simple yet effective way to analyze frequency response and impedance.

Our NanoVNA-H4 stands out because of its 4-inch display and SD card slot, designed to help you store and analyze data conveniently. Unlike other options, this vector network analyzer provides frequency coverage from 10 kHz to 1.5 GHz, making it ideal for anyone who needs accurate antenna analysis. No more guesswork in RF measurements, as this tool is here to simplify things.

Key Features of the NanoVNA-H4 for RF Testing:

• 4-Inch Display: Provides clear and detailed visuals for easy interpretation of results.
• Wide Frequency Range: Covers 10 kHz to 1.5 GHz, suitable for HF, VHF, and UHF applications.
• SD Card Slot: Allows for convenient data storage and transfer, enhancing usability.
• Compact Design: Lightweight and portable, making it ideal for field use and on-the-go testing.
• User-Friendly Interface: Simple navigation and operation, perfect for both beginners and experienced users.

Specifications of the NanoVNA-H4:

• Brand Name: SeeSii
• Measurement Bandwidth: /
• Frequency Range: 10 kHz – 1.5 GHz
• Output Voltage: 1950mAh battery
• Origin: Mainland China
• Certification: CE
• HW Version: 4.3
• RF Output: 0 dBm (±2 dBm)
• Measurement Range:
  • 70 dB (50 kHz – 300 MHz)
  • 60 dB (300 MHz – 900 MHz)
  • 40 dB (900 MHz – 1.5 GHz)
• Port SWR: < 1.1
• Display: 3.95 inch TFT (320 x 480)
• USB Interface: USB Type-C communication mode: CDC (serial)
• Power: USB 5V 200mA, built-in 1950mAh battery, maximum charging current 1A
• Number of Scanning Points: 101 (fixed)
• Display Tracking: 4, Marking: 4, Setting Save: 5
• Frequency Tolerance: < 2.5 ppm
• Frequency Stability: < 0.5 ppm

Features of the NanoVNA-H4 for Antenna Testing:

This NanoVNA-H4 for RF Testing is a DIY product that provides perfect vector network measurement capabilities. It is tiny, handheld, and stand-alone with a 4-inch LCD display. It is powered by a portable 1950mAh battery or USB. The improved frequency algorithm utilizes the odd harmonic extension of si5351 to support measurement frequencies up to 1.5GHz. The 50K-300MHz frequency range of the si5351 direct output provides better than 70dB dynamic range, while the extended 300M-900MHz band provides better than 60dB, and the 900M-1.5GHz band offers better than 40dB dynamics.

The default firmware main function is used for antenna performance measurement. The TX/RX method can measure the complete S11 and S21 parameters. For S12 and S22, manual port wiring adjustments are necessary. Using PC software NanoVNASaver, it can connect to a NanoVNA and extract data for display on a computer, saving it to Touchstone files for various radio design and simulation software. The metal shield is designed to reduce external interference and improve measurement accuracy.

Package List for the NanoVNA-H4:

• 1X NanoVNA-H4 (with 1950mAh battery)
• 1X USB Type-C data cable
• 1X Type-C To Type-C cable
• 2X 15cm SMA male to male RG316 RF cable
• 1X SMA male calibration kit – OPEN
• 1X SMA male calibration kit – SHORT
• 1X SMA male calibration kit – LOAD

Why Choose the NanoVNA-H4 for RF Testing:

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• Hobbyists will find it easy to use and highly effective for testing and tuning antennas.
• Engineers can rely on this product for precise measurements and data logging.
• Technicians will enjoy the portability and convenience it brings when conducting field measurements.

Key Benefits of the NanoVNA-H4 for Antenna Testing:

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• Improved Measurement Accuracy: Provides precise readings for better antenna performance.
• Easier Data Management: The SD card slot allows for easy storage and retrieval of measurement data.
• Cost-effective Solution: Offers professional-grade features at an affordable price.

Perfect For Using the NanoVNA-H4:

• Amateur Radio Operators
• RF Engineers
• Antenna Designers

Why Shop With Us for the NanoVNA-H4:

Enjoy free US and UA shipping on every order, making it easy for you to get your NanoVNA-H4 for RF Testing delivered to your doorstep. Plus, with our flexible payment options, you can purchase today and pay later with ease. It’s never been more affordable to enjoy accurate RF analysis.

Built to Last – NanoVNA-H4:

We’ve designed the NanoVNA-H4 to last. Made from durable materials, it ensures that you can rely on it for the long run. Whether you’re testing antennas or troubleshooting RF systems, this product will stand the test of time, helping you get the best results.

A Sleek and Professional Look That Fits Anywhere:

The NanoVNA-H4 blends function with style. Its clean and elegant design ensures it fits perfectly in any lab or field environment, adding a professional touch while still delivering the results you need.