NanoVNA is a handheld Vector Network Analyzer (VNA) with small outline, originally designed by edy555. It is a low cost yet high performance (at its price point) vector network analyzer (VNA), with LCD display, and can be powered from a 3.7V Li-ion battery. Download Manual
As known by most hobbyists, NanoVNA has become the most popular VNA and antenna analyzer project in the community since its release in 2019.
Nano VNA, My Tuned Frequency’s on the W8010