![]() ![]() Select CONFIG > VERSION in the menu on your device. You can identify which hardware version you have using the table below. This page is a list of NanoVNA versions and the firmware downloads for each version. We have stopped selling V2.2 versions since October 2020, so all V2 hardware that are not Plus or Plus4 are not made by us and we can not guarantee performance. See official store and look for V2 Plus4/V2 Plus4 Pro versions only to avoid getting a bad clone. V2/3GHz NanoVNA relies on original RF synthesizer and mixer ICs from ADI for its high performance, and clones have been cutting costs by using salvaged or reject parts. ![]() You will also learn a lot! It's a wonderful, amazing device.As of April 2023 there are many badly performing clones on the market. For the binding posts adapter, you'll also want a 50 ohm resistor for doing calibration.Īnd whichever you choose will bring you a lot of capability and probably a lot of fun. The binding posts adapter was nice for testing toroid impedance matching transformers I was making, for use with high-impedance antennas. ![]() I've added male & female adapters for BNC, UHF, and F connectors, plus a BNC-binding posts/banana jacks connector that's good for testing wire-lead components like toroid coils. A small case with dividers inside is also very handy for storing and organizing the adapters. Whichever you choose, be sure to also order connector adapters that you will need. All models seem to have very good PC software support. The -H is much smaller and lighter, easily fits in a shirt pocket, but is harder to read and VERY hard to read in bright, outdoor light. I really like my -F, and also have a -H that was my introduction to NanoVNAs. I believe it's also a bit more expensive, and uses a different firmware version (I think). The SAA2 would be preferable if you need measurements above 1.5 GHz and/or need to use type N co-ax connectors. There are several programs for Windows (including 10), and one for Android. Also I am not sure if either of the software programs will run on Windows 10? ![]()
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