Radio Frequency (RF) & Wireless Design

For those of you interested in VNAs like the popular nanoVNA that i wrote about 2 years ago in this thread :

https://grabcad.com/groups/radio-frequency-rf-wireless-design/discussions/using-the-low-cost-nanvna-is-a-great-way-for-finding-out-if-you-have-a-fake-antenna

There is a new comer that was just released late last year and is called LibreVNA :

https://hackaday.com/2021/04/22/librevna-is-a-quality-open-hardware-vector-network-analyser/

This is some of the specs on it :

https://www2.randl.com/index.php?main_page=product_info&products_id=75413

There is a discussion group on how it evolved :

https://groups.io/g/LibreVNA-support/topic/librevna_2_0_hardware_concept/89858084

And here is a discussion on the performance of it :

https://www.eevblog.com/forum/testgear/librevna-performance/

This started as an open source project and is available on github :

https://github.com/jankae/LibreVNA

And is also available on Amazon :

https://www.amazon.com/Analyzer-AURSINC-100KHz-6GHz-Measuring-Parameters/dp/B0BTPHR1JN

and ebay :

https://www.ebay.com/itm/184932340255