NanoVNA-H4 Plus

The PORTXVNSA VNA-H4 Plus is a portable handheld Vector Network Analyzer (VNA)designed to measure reflection and transmission coefficients. Originally developed by edy555this version has undergone multiple upgrades, making the VNA-H4 Plus thehighest-performance iteration to date. lts measurement frequency range has been expandedto 50 kHz-2.7 GHz, with superior performance compared to earlier versions.