I am having problems (i can't calibrate) with OneOfEleven NanoVNA-App, I am using the nanoVNA V2 plus4 model maybe its not compatible with that model. here is what i have done so far:
re-installed USB driver
I tried 2 other computers, same problem ( Windows 8.1 and Windows 10)
I tried another USB cable
here are two videos so show what is going on:
part 1 video:
https://youtu.be/57Hw_0eYU-o ( https://youtu.be/57Hw_0eYU-o )
part 2 video:
any help would be great! thanks
Beware of cheap underperforming clones
As of 2022 there are many badly performing clones on the market. V2/3GHz NanoVNA uses parts like ADF4350 and AD8342 which are costly and clones have been cutting costs by using salvaged or reject parts.
See official store and look for V2 Plus4/V2 Plus4 Pro versions only to avoid getting a bad clone. 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.
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problems with OneOfEleven NanoVNA-App
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