Not that great, even with a stylus the display is difficult to deal with (even after dong the display touch calibration)can be very frustrating at times. Tends to hang up after a Normalization IE Load, short, open cal.Needs to have a turn on default ability so you can keep the preferred display orientation and settings the same at turn on, takes time to go around and reset everything the way you want it over and over again.Don't even get me started with the desk top software, talk about error after error.Once you get everything setup and caled it is accurate for the cost and size but.Most if not all of these NanoVNA's are the same. save your money and buy a better analyzer in the $300-$1000 range.These are just a toy IMHO
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