Seesii NanoVNA-H4 Vector Network Analyzer V4.4 9kHz-1.5GHz | 1.5GHz Frequency Range, 4" Touchscreen, EVA Case

• Upgraded NanoVNA Analyzer: SeeSii NanoVNA-H4 Vector Network Analyzer by Hugen, latest version 4.4. Measurement range 9 kHz to 1.5 GHz, 4.0-inch LCD touchscreen, compact portable design. Exceptional vector network measurement capabilities, ideal for antenna resonance and SWR assessment. Convenient intelligent tool for electronics engineers, amateur radio operators, DIY enthusiasts
• Built-In Micro-SD Port & Time Display: This latest analyzer features a MicroSD card port for saving field test data or screenshots, supporting up to a 32GB memory card (not included). Unlike previous versions of NanoVNA, it allows you to customize the date and time, making it easier to track and record data. The default firmware is designed specifically for antenna performance measurement
• Improved Frequency Algorithm: The Vector Network Analyzer utilizes the harmonic extension of the si5351 to support frequency measurements up to 1.5GHz. The 50K-300MHz range offers over 70dB of dynamic range, the 300MHz-900MHz range provides over 60dB, and the 900MHz-1.5GHz range delivers over 40dB. Great for troubleshooting antennas and improving performance
• Abundant Accessories：Equipped with 1x NanoVNA-H4 (with 1950mAh battery), 1x USB Type-C cable, 2 x 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, 1x Touchscreen pen, and 1x custom-designed EVA carrying case. This antenna analyzer kit is perfect for your ham station and comes with everything you need for easy setup without the need for complex calibration
• Enhanced Protection with Durable Construction: The custom-designed EVA hard shell provides exceptional protection for your NanoVNA-H4, effectively safeguarding it from scratches, dust, and accidental damage. Its shockproof, waterproof, and dustproof features ensure your device is well-protected in a variety of environments
• Portable Design：This storage bag features a lightweight and durable design with a comfortable handle, making it easy to carry in the lab, on the workbench, or while on the go. Its compact size allows for easy access to the device, ensuring quick retrieval and providing security and convenience in various working environments
• Dual-Layer Storage Organizer: The bag includes mesh pockets and foam dividers, keeping cables, and accessories neatly organized to avoid clutter. The soft lining protects the device from scratches and keeps it clean

• Connect Antenna and Calibrate — Attach your antenna to the NanoVNA-H4's SMA port. Use the included OPEN, SHORT, and LOAD calibration kits to perform a full two-port calibration at your desired frequency range for accurate measurements.
• Set Frequency and Measure — Using the 4-inch touchscreen, set the start and stop frequencies for your analysis. Initiate the measurement to view SWR, impedance, and other network parameters relevant to your antenna's performance.
• Save and Analyze Data — Insert a MicroSD card into the dedicated slot to save screenshots or test data. This allows for later analysis on a computer, helping you track performance trends or document troubleshooting steps.

Typical situations where Seesii NanoVNA-H4 Vector Network Analyzer V4.4 9kHz-1.5GHz | 1.5GHz Frequency Range helps — illustrative scenarios, not customer reviews.