: On Windows, you may need the Cypress USB Serial driver if the device isn't automatically recognized.
| Feature | NanoVNA-QT | NanoVNA-Saver | VNA Control | | :--- | :--- | :--- | :--- | | | Official, native Windows/Linux app for NanoRFE devices | General-purpose, multi-platform data acquisition | Feature-rich command center for multiple VNAs | | Language | C++ | Python 3 | C++ / Python | | Performance | Highly optimized for SAA-2; fastest sweep rates, low-latency updates | Good, but not as optimized for SAA-2; some users report limitations for two-port S21 measurements | Good balance of features and usability | | Calibration | Full custom cal kit support; limited to simple normalization for two-port | Supports advanced cal techniques, including polynomial models | Comprehensive SOLT calibration | | Key Features | Real-time display, TDR, port extension | Multi-segment sweeps (>10k points), filter analysis, TDR | Easy data export, image saving, memory trace comparison | | Compatibility | SAA-2, V2 Plus, V2 Plus4 (official list) | Many devices including H, H4, F, LiteVNA | V1, V2, LiteVNA | | Recommended For | Dedicated SAA-2 users wanting official support | General RF enthusiasts comfortable with Python / multi-platform use | Users seeking an intuitive, all-in-one interface |
It is best to calibrate directly within NanoVNA-QT: Go to Calibration -> Reset to clear any old data. Follow the SOLT steps using your calibration kit: nanovna-qt pc software with the s-a-a-2
: Supports up to 1024 points per sweep, significantly more than the 201-point limit on the standalone device.
: While you can calibrate on the device, performing it through NanoVNA-QT allows for higher point counts and more precise storage of calibration sets . : On Windows, you may need the Cypress
The user manual is also available at http://nanorfe.com and is an essential resource for detailed operation instructions.
Capture more data points per sweep than the standalone hardware allows, resulting in finer frequency resolution. : While you can calibrate on the device,
Using is pointless without proper calibration. Here’s how to do it efficiently: