Last night closing the laptop Bill Gate decided (I always blain him for everything) to update my W10 with a function update Build 1904.508.
This morning none of my SAA- V2 (3 pc.) was not assigned a comport. This problem is fixed quickly if you are exposed to this problem by going to Control panel/Hardware and Sound/Device Manager in in the top of the long list an unknown device indicated. Click on it and update the driver and it works again.
Please do now flame this contribution with point of view about other platforms 😊
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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A w10 update bug
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