The device should automatically reboot after the firmware is flashed.You will be prompted to flash a firmware binary, which you can download from the table above.Select the device in NanoVNA-QT under the 'Device' menu.Once white screen appears, release JOG LEFT.Hold down the JOG LEFT button (leftmost of the 3 pushbuttons) and switch on the NanoVNA.Beware of underperforming clones with exaggerated specifications. Owners of a genuine V2 from the official stores can contact us to obtain a discount if they wish to acquire a V2 Plus or a V2 Plus4 model. The V2 is replaced by the V2 Plus and V2 Plus4 that perform better and are actively maintained. We no longer provide any technical support for clones of this model. The V2_2/V2.2 model has reach end of life and is now deprecated.

All V2_2 from 2021 on are clones which are not supported and may be incompatible.

The earliest NanoVNA V2 hardware version.

First professional grade 6GHz VNA at an affordable price.

Note: V2 Plus5 was renamed to V2 Plus4 Pro.

Fast update rate (0.25s for V2 Plus4 0.16s for V2 Plus4 Pro).

Achieves similar results as professional instruments: Comparison with Fieldfox.

90-96dB dynamic range (achievable noise floor).

All V2_2/V2.2 still on the market are clones and some are not compatible with official firmware or software. To avoid getting a bad clone, look for V2 Plus4/V2 Plus4 Pro versions only. We have stopped selling non-Plus versions since October 2020. Measurement comparison between V2 versions This will show you an about page with the device name at the top which you can look up in the table below.īefore updating your firmware, ensure the correct firmware variant for your hardware version is used, otherwise your device may fail to boot. 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. As of April 2023 there are many badly performing clones on the market.

Nanovna saa2