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.

NanoVNA V2 Forum

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Trying to update firmware


Jean-Francois Somerv 2022/01/09 05:33

Received the NanoVNA 2plus4
Trying the

Connect to computer,
Turn off, hold left toggle, turn on, blank screen comes on, release left toggle, wait, wait....
Stuck on a blank screen

What now? Any suggestions?

JF

Vladimir Lebedev 2022/01/09 08:10

Hello Jean-Francois!
Please reed here
https://nanorfe.com/nanovna-v2-user-manual.html
Best regards
Vladimir

Vladimir Lebedev 2022/01/09 08:11

and here
https://nanorfe.com/nanovna-v2-software.html

Jean-Francois Somerv 2022/01/09 10:42

Ooops, missed point #3 from the manual
" The device should appear under the *Device* menu in NanoVNA-QT."
I was expecting that the NanoVNA would do the prompt, not the PC software!

Thank you

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