How to properly use a NanoVNA V2 Vector Network Analyzer (Tutorial)

Is this antenna good or bad, and for which frequency is it useful? A question I am often asked. Because a lousy antenna reduces the range of a device considerably. Or another question: Did the supplier cheat on this filter? At the end of this video, you will be able to answer these questions with confidence. And you know everything you always wanted to know about how to properly use a NanoVNA and the Smith Chart.
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Links:
2.8" NanoVNA: https://www.tindie.com/products/hcxqsgroup/nanovna-v2-plus/
2.8" SMA NanoVNA V2: https://s.click.aliexpress.com/e/_A6Pm3F or https://s.click.aliexpress.com/e/_9zdUZ9
4" Type N NanoVNA V2: https://s.click.aliexpress.com/e/_AaJcaR
RF Demo Kit: https://s.click.aliexpress.com/e/_AnJR0X

Forum (Lots of info, up-to-date): https://nanorfe.com/
VNA_QT Software: https://github.com/nanovna/NanoVNA-QT/releases
NanoVNA-Saver: https://github.com/zarath/nanovna-saver
W2AEW Channel: https://www.youtube.com/channel/UCiqd3GLTluk2s_IBt7p_LjA

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