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  • 05/08/2020

    Exactly what I have ordered... Delivery was super fast...

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  • 04/02/2021

    Very nice and precise analyzer. All needed parts inkluded in the box. Recommended :-)

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  • 12/06/2020

    Shipping is super fast as usual. Packaging is OK, but plastic could not protect the paper box (which is nice, but not very practical). As I have an older NanoVNA-F I can compare H4 with it. H4: Electrically it's better without hesitation. It has no trouble to keep everything below -60dB till 900MHz, and -50dB till almost 1.5GHz. This is really impressive. It's lighter due to plastic case (I regard this as a positive thing). LCD size is a bit smaller than F, but as there is no scale it looks almost the same. LCD visibility (especially from SMA side) is slightly worse than F. Touch reliability is slightly worse than F. Pushable rotating knob is still nothing to write home about but it seems to work. So far I could not locate a new SW version (I mean binary as I'm not keen compiling it myself). In addition the menu cheat sheet contains a DFU menu that is not found on the actual menu of the SW... So it's unclear to me how firmware update supposed to be done if it's necessary. In overall it's light and electrically so far the best package (it's a very good value). I look forward seeing the V2 variant with a similar size display.

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  • 22/10/2020

    Received in good condition in the black cardboard box that is generally seen with these, 2 x pigtails, open, closed and 50 ohm load etc. Casing is plastic but pretty good quality I think and is light weight and sturdy. 4" screen and larger is a must. I am glad I did not go for the 2.8" version. Battery life is pretty decent. As a radio ham I purchased it to replace my SARK for SWR and to play with filters and for building and testing VHF/UHF antenna. So far I am extremely impressed with this unit's performance after calibration. It is no commercial VNA but for my use it is perfect and any HAM's use it should be perfect. Filters built using software and then tested on the bench with this unit have produced the same results as the software emulation. Checking crystals for matching works well too. Tested various antenna I have from a slimjims to multi band yagi and some dipoles that are in use and were setup with a commercial meter and result are the same, very happy with this VNA. Downloaded software for my android phone and used the cable length test, very accurate. Think it is excellent value for money and the better of the units available from Banggood especially if you are going to use it outside for antenna tuning, then a unit in a plastic or metal case is a must. The only unit I would maybe consider as the next purchase is the 50KHz-3GHz 4 Inch Display Antenna Analyzer SAA-2N from Banggood.

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  • 03/07/2020

    I just recieved my new nanovna-H4 today and it's beautiful! I've already added a TF card slot and the 32khz xtal for the real time clock (DiSlord's firmware from June 20th) The unit is from Hugen's manufactuer as well (at least the unit from the batch I bought from). Shipping to Canada was great - unfortunately, Canada Post sat on it for almost a month. Thanks Banggood!!

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  • 19/02/2021

    Interesting device. You have to keep in mind when you work. That it is designed more for passive chains. The circuit under investigation is supplied with a rather large voltage, the meander is a rectangular signal with an amplitude of about 0.7 volts. That's something to consider if you're researching amplifiers. As a spectrum analyzer, the bandwidth is quite wide and has two maximums. As a signal generator - also gives out a rectangle and the amplitude is not regulated Do not interfere with the external аттенюатор. Easy to use in the field (not in bright light), for on-site repairs

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  • 27/01/2021

    I haven't checked the operation in detail yet, but it started properly. I was surprised that the box in the package is so good and solid. There is no shortage of contents. It was not wrapped in cushions, but it seemed that they handled the transportation along the way. (It was placed in the bag of ANA CROUP's air carrier, where the starting point was GAN and the destination was TYO.) I'll try to make use of various things from now on.

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  • 14/10/2020

    Package arrived promptly by the royal mail postman exactly when promised. All in good condition with all the bits present. Vna is within a nice finished plastic case to cover all the PCB. Display is nice and bright and all controls (2) work just fine. Comes complete with two short sma coaxial leads , one female connector barrel and the calibration plugs. Also complete with one short mini usb to usb lead and one large USB to small usb lead short of one metre long.

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  • 10/02/2021

    Nice, fast, but came with the with the open connector duplicate, soon missed the in "short" nothing that will be needed for anyone like me having these connectors.

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  • 25/11/2020

    My second order of this VNA. It initially had and issue with a non-responsive LCD screen, but after cleaning the LCD contacts soldered to the PC board all was well.

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