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Sorry, Taobao is the largest online store in China and is currently not available in English. I am trying to improve nanovna to provide better performance, try to make a more reliable shell for

hi all as my nanovna is not showing any trace how do i reload firmware is there a way to put the vna into upload mode then run the firmware software installer thanks herbie

I posted this a while ago about purchasing from taobao as a non chinese: I found a few things that were different to what I expected so maybe this will help: * You can enter your address before

Sorry, if this has been addressed, although I did not find a record. Perhaps Hugen can answer this question. How are the calibration standards entered into the firmware? Are the short, open and

Fair enough, Hans It all boils down to being an informed shopper and members on this forum are supplying great feedback on the various versions they are receiving. I should get my 2nd unit - a 'Black'

I read the reviews, and looked at the "fine print" bits on their web site... And how could it be otherwise? After all they bring the goods to their own site, and then repackage and ship out. Den

Hans, How do you come to that conclusion when they specifically state on their website they do not charge commission and they can combine shipping of items to reduce shipping costs? Is this based on

So, how can we know if a NanoVNA offer on say Aliexpress is a reasonable offer of a good clone? Hugen, couldn't you set up shop on ebay or Aliexpress? We'd all prefer to ensure money spent on your

So TaobabFOCUS is a procurement agent, and actually adds significant cost to the taobao base price. Couldn't Hugen be persuaded to setup shop on Aliexpress or Ebay?

This is what I've found regarding TaobaoFOCUS Site: https://tbfocus.com/ At least is uses https... AND they accept PayPal (I wonder of PayPal's refund policy would apply?) They claim not to

The site & shop Hans was referring to is https://shop.tbfocus.com/item.php?id=588815021483#4190873907712

Hans - what site would that be? No URL supplied in your posting. Found it - https://tbfocus.com/ At least is uses https...

I found this as a site that helps you order from taobao in english. At least it could find Hugen's Nanovna item w/o any problems. Are there any serious gotchas in using this site?

Jul 05, 2019 1. nanoVNA_800 firmware addresses 300 and 600MHz peaks because si5351 is working at the limit. Jun 11, 2019 1. Fixed the problem that data retrieved by shell command (PC software) was

This is a very bad or even wrong clone and may not get the right measurement data.

hi alan no sweeps showing calibrated as per instructions in the manual and cal details on left side of screen .nothing showing in smith when test with S L and through i am using ch0 this is the same

here is the image

This is the user manual https://drive.google.com/drive/folders/1-JViWLBOIzaHTdwdONX2RP8S4EgWxoND

Now there is a worse black clone. Can you upload an image?

I might add, just to be sure, what you are calling the TX port, is the CH0 port. For a one port or antenna measurement, the antenna under test should be connected to CH0, not