NanoVNA-H Documentation

Measure antennas, filters, cables, and impedance from 600 Hz to 2 GHz — with a device that fits in your pocket.

Quick Start Guide What is NanoVNA-H?

NanoVNA-H handheld vector network analyzer showing a Smith chart measurement on its LCD display

NanoVNA-H — Handheld 2-port vector network analyzer

600 Hz – 2 GHzFrequency Range

>70 dBDynamic Range

2 portsS11 + S21

401 ptsSweep Points (H4)

30 typesTrace Formats

60 cmdsShell Interface

Frequency Coverage: 600 Hz – 2 GHz

Ultra-Low

Low

Direct

3rd Harmonic

5th Harmonic

7th Harmonic

1 kHz

100 kHz

1 MHz

10 MHz

100 MHz

290 MHz

1 GHz

2 GHz

Signal Generation Method

Direct (fundamental)

3rd harmonic

5th harmonic

7th harmonic

Dynamic Range

Direct: >70 dB

3rd Harmonic: ~50 dB

5th Harmonic: ~40 dB

7th Harmonic: ~30 dB

Harmonic threshold: ~290 MHz (SA612A) or ~300 MHz (ZeeTK NE602A)

Who Is This For?

Ham Radio Operators

Measure and Tune RF

Check antenna SWR, characterize filters, measure cable loss, find crystal parameters, and match impedances. No RF engineering degree required.

Quick Start Guide Your First S11 Measurement Tuning an HF Antenna Calibration Walkthrough Using Markers

Firmware Developers

Understand and Extend

Explore the ChibiOS-based firmware architecture, signal processing pipeline, frequency synthesis, and display rendering. Build from source and debug on-device.

Build Environment Setup System Architecture Signal Pipeline Source File Map Feature Flags

Documentation Sections

Getting Started

3 pages

What the NanoVNA-H is, how to power up, and which hardware variant you have.

Tutorials

14 guides

Step-by-step lessons: first measurements, calibration, antennas, filters, crystals, cables, and firmware development.

How-To Guides

28 guides

Task-focused instructions for traces, markers, measurement tools, SD card, PC control, and device configuration.

Concepts

13 articles

VNA fundamentals, S-parameters, Smith charts, calibration theory, and firmware architecture deep-dives.

Reference

21 pages

Specifications, menu map, all 60 shell commands, hardware revisions, pin assignments, and firmware internals.

Popular Pages

Shell Command Reference Filterable table of all 60 commands with syntax and examples

Trace Types All 30 trace formats: LogMag, SWR, Smith, impedance, Q, and more

Frequency Synthesis How the Si5351 generates signals from 600 Hz to 2 GHz

Hardware Variants NanoVNA-H vs H4 — MCU, display, synth, and mixer differences

Need higher frequency coverage? The NanoVNA-F V3 extends to 6 GHz with a larger display and metal enclosure.

NanoVNA-F V3 Documentation Portable VNA — 1 MHz to 6 GHz, 4.3-inch IPS display, metal construction