NanoVNA-F works fine with Rune's VNAsaver program. It is in a very sturdy metal case and I prefer it over the original nano. Frequency range is not an issue especially since the original nano extended performance above 1000Mhz is mediocre at best. Firmware upgrade is a breeze, none of the clunky and inconvenient way of the original nano. The best however is the screen size...it is well worth the extra money spend. My old eyes are happy. If they come out with a larger screen version of the new design sometimes down the road I buy it...otherwise it is of no interest to me.
Just my 2 cents.
Bilbo
