The RF PCB design is first rate as is the manufacturing cleanliness. According to **broken link removed** a native linux version is being developed. You can get a demo version of the software so you can try it before you get the hardware. There *are* one or two "nuances" (not bugs) in the UI - and they correct/change them with quite frequent s/w updates. The functionality is all there - you can have several traces or channels, you can do de-embedding, time domain stuff (DTF), fixture simulations, Z/Y/S conversions there are lots of cal sets available. The UI (very suited to touchscreen and certainly works well with a mouse) is extremely usable and is fairly familiar to anyone who knows HP/Agilent/Keysight products. Talking of which - the software is very good. I have spoken to Alex, their US director, and Ben, their main technical man, and they have both been very helpful with advice on equipment, measurements, feedback on software. It's nonreversing so it won't automatically do S12 or S22 but that doesn't matter in most cases - or you can just turn the DUT round. Up to 16,001 measurement points per sweep Output power adjustment range: -55 dBm to +3 dBm
Measurement speed: 150 µs per point at 95 dB dynamic range Sweep types: Linear frequency, log frequency, segment, power sweep This is a big deal if you're "live" tuning antennas or cavity filters. 120us per point rather than a few ms per point. One thing it does do (as per mainframes from the usual manufacturers) which some very cheap instruments cannot achieve, is possess a fast sweep time e.g. I have tested it against a mainframe HP VNA and it meets the same performance criteria and displays the *same* stopband and passband trace (when I was measuring a 2.4GHz BPF). You can read all about its performance specs on their website, but see below for a summary. I own a Copper Mountain Technologies (CMT) TR1300/1 (website shows cost = $US2750) and it is superb.
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