Nano Versus Commercial [Educator’s Corner]

The NanoVNA (Nano), first introduced by that name in 2019, is a handheld, battery-powered, microwave vector-corrected network analyzer (commonly just a “VNA”) whose hardware and software are open-source
[1]
. A version 1.0 is surprisingly cheap, with a price tag of as little as US$50 as of 2021, and yet it can reach up to 1.5 GHz in frequency. Preassembled units are available from at least one supplier in each of a number of places in Asia, Europe, and the United States
[1]
. These machines are already used for educational
[2]
,
[3]
, amateur/ham radio
[4]
, and applied engineering
[5]
,
[6]
,
[7]
,
[8]
purposes.