Sold and maintained by original developers, ensuring consistent performance, quality control, and continued updates. Improved USB protocol allows full speed streaming of measured data to the PC. 
TDR / Time Domain measurements allow testing cable length and discontinuities. S parameters export, custom calibration kit parameters & advanced calibration methods (NanoVNA-QT software). No noticeable drift, allowing calibrations to be kept for > 3 months (compared to 90dB, achieving similar results as professional VNAs, and allows measuring duplexers. The main improvements in NanoRFE's NanoVNAs are: The wide frequency range covers common cellular, Wi-Fi, and IoT bands, as well as HF, VHF, and UHF amateur radio bands. It uses our new VNA-R architecture featuring temperature drift cancellation and reduced crosstalk, showing no visible drift in all indoor conditions.Ĭompared to other NanoVNA versions, V2 Plus4/Plus4 Pro do not use harmonics for measurements, improving performance significantly, achieving 90% less trace noise, and is the only low cost VNA to give you highly repeatable and reliable measurements comparable to professional instruments. 
V2 Plus4 is the latest design which fixes the drift and linearity issues with older versions.
It is a new from-scratch design by HCXQS/NanoRFE not based on the earlier edy555 V1 design. NanoVNA V2 (S-A-A-2) is a 4GHz vector network analyzer (VNA) capable of measuring antennas, filters, duplexers, and amplifiers.
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