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Saga of acquiring a NanoVNA2 from China

Doug Basberg 2021/01/22 09:15

I ordered a NanoVNA2 with N connectors and 4" screen for $77 from a company at Ali Express on Nov 1st.  It shipped 12/26.  It showed delivered on 1/14 but on 1/18 had not arrived so I went to Ali Express support at midnight 1/18 and told them it had not arrived and they said the vendor would contact me within 5 days (much like Amazon).  10 hours later I had a full refund at Paypal, not bad!  I then ordered a unit with the same description at Amazon Prime (2 day delivery).  It should arrive today or tomorrow.  That unit cost $128.  I have heard some of the cheap knockoffs are poorly made and do not approach the proper specs.  Do you think I am getting a better unit at the 50% higher price?  Or did I just pay for speed and convenience?  I suppose you will need to know what I am getting before you can say for sure.  This is my first post.  I am looking forward to learning from the group.  I am retired.  My career was as an electrical engineer doing automation/measurement/controls (so no RF).  I did do some microstrip line PC boards to implement a pseudorandom spectrum source for a 4 gigahertz computerized measurement system with MECL III logic in 1973 and found impedance matching and reflected power was important at those frequencies ( who knew? LOL).  I am a HAM now (N8VY) and spending some time learning about RF.  My best source is a book "Experiment Methods in RF Design" by Wes Hayward (W7ZOI), Et al which is a great way to learn about RF circuits.  I have a Rigol DSA815TG spectrum analyzer and an MFJ269 antenna analyzer but the VNA is going to give me phase and at the antenna as well.  My oscilloscope is old tech an hugh (LeCroy LC574AM) it is a 1 GHz 4 chnl color scope but it requires a derrick crane to move it (no way portable).  Anyway, looking forward to being part of this group. 73 Doug N8VY

Harry Bloomberg 2021/01/22 12:23

The big things you're paying for from Amazon are 1) near-certainty of
delivery on time and 2) ease of return should the device not work out for
you. My SAA-2N, which I believe is the same bodel your have, was purchased
on Dec 3 and can be returned to Amazon as late as Jan 31. Is this worth
the Amazon premium price? That's your call but something to consider. I
am quite happy with my SAA-2N and will be keeping it.

Harry Bloomberg W3YJ

On Fri, Jan 22, 2021 at 12:17 PM Doug Basberg <> wrote:

Dragan Milivojevic 2021/01/22 18:30

Probably not. If you are lucky you got the Hugens version from a reseller.
Next time order from Hugens store or authorized resellers.

On Fri, 22 Jan 2021 at 18:17, Doug Basberg <> wrote:

Dragan Milivojevic 2021/01/22 18:36

Forgot the links:
In the USA:

OwO 2021/01/23 01:48

Please read the pinned message. We do **not** allow Hugen to produce and
sell copies of the V2 design anymore starting from October of last year
because of disputes around unfair competition, so they are technically
unauthorized clones, and won't be getting official firmware updates.

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