Nanovna-qt Pc Software With The S-a-a-2 [top] Guide
The future of the S-A-A-2 series points towards the V2 Plus4 and VNA6000, which offer higher dynamic range and enhanced features. The official software will likely continue to evolve to support these newer platforms.
Which (Windows, Mac, or Linux) your PC runs on?
NanoVNA-QT is the official PC control software for the S-A-A-2. Developed by NanoRFE, it provides a more feature-rich, stable, and higher-performance alternative to the on-device screen, crucial for advanced analysis and calibration.
Connect the S-A-A-2 to your PC using a high-quality USB Type-C to Type-A (or Type-C to Type-C) cable. Power on the VNA before launching the software to ensure the operating system detects the device port. 2. Software Installation nanovna-qt pc software with the s-a-a-2
The S-A-A-2 can sweep up to 6 GHz, but sweeping the entire range at high resolution (e.g., 1024 points) will be slow. Use nanoVNA-qt’s segment sweep feature:
Using the gives you a larger display, lets you save your data, and increases data points from 201 up to 1024 points for highly precise tuning.
Click on in the top menu, select Connect , and choose the COM port associated with your VNA. The device screen will typically lock, indicating the PC has taken control. Configuring the User Interface The future of the S-A-A-2 series points towards
Pro tip: If the device disconnects during sweeps, lower the sweep points to 201 or 301 points via the software settings.
| 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 |
Analyze Smith charts, SWR, and LogMag simultaneously on a large screen. NanoVNA-QT is the official PC control software for
While nanoVNA-qt is the most popular, other PC software works with the S-A-A-2:
Configure the number of points (up to thousands for high resolution) and sweep speed.
: Maintained by NanoRFE, this site serves as the manual for the software itself. It is the recommended platform for the S-A-A-2 because it is specifically tested for V2 hardware and supports essential plots like Smith charts , logmag , and VSWR .
