Hello Francois, I agree with you. The requirements for the usable frequency range are of course a primary selection criterion. As far as I know, this device supports up to 1.5 GHz and is a HW revision

Hi Pedro, since you are from Europe, I would like to recommend Eleshop in the Netherlands. I am planning to replace my current NanoVNA and they are my first choice for order: https://eleshop.eu/catalo