NanoVNA-H4 Vector Network Analyzer Kit 10KHz-1.5GHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Chart with 4" LCD Touch Screen Nano VNA

Had it out and analyzing my antennas within minutes. Worked exactly as expected and am very happy with the purchase. Found out one of the handy-talkie antennas I have used for years was not nearly as good as I thought! Great little tool with a ton of features!

I bought this to verify VSWR on Amateur Radio antennas and I have to say I am impressed. It might be a bit of a learning curve for someone not familiar with Vector Network Analyzers but there is help online. The capability of this little instrument is so impressive. It is small but the display is easy to read and it seems pretty accurate. I was tuning a 6 meter antenna and it was so much easier than doing it with a transmitter and reflected power measurements. The kit come with the calibration set needed of SMA open short load devices. The only thing extra needed is some SMA to UHF or N connectors. After seeing this impressive capability, I will be looking at the spectrum analyzers also.

I've only used this for antenna SWR measurements so far, but it seems to work well. It's nice to have the antenna reactive components separated out on the Smith Chart display - it allowed me to fine tune the capacitance "spider" to optimize the SWR on a vertical antenna. That would not have been possible with a directional wattmeter setup. I dropped a star because the documentation for this product is dismal. It appears that there is a lot of potential in this instrument that is untapped (at least by me) due to the lack of instructions. Documentation on the internet seems to be hit and miss; some of it applies to the V4 version and some doesn't. I haven't figured out how to use the TDR function yet - still working on it. Good little box overall; the capability/price ratio is amazing!

Works very well for the price.

Came without calibration connectors for load

Value for money is very high for this product. It does a great job for a lot less than anything neat its capability. I have a couple of SWR meters and this is spot on. The menus and touch screen are a little quirky but I have no complaints. Highly Recommended!!

Taking rf measurements SWR, return loss, thru loss, smith chart.

The Nano VNA works great., only complaint I have is the durability of the product so be careful with it and it will be fine