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NanoVNA-H NanoVNA-H Documentation

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?

Section titled “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 GuideYour First S11 MeasurementTuning an HF AntennaCalibration WalkthroughUsing 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 SetupSystem ArchitectureSignal PipelineSource File MapFeature Flags

Documentation Sections

Section titled “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.

Section titled “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

The NanoVNA Family

Section titled “The NanoVNA Family”

Three open-source VNAs covering 600 Hz to 6 GHz — each with its own documentation site.

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NanoVNA-H

600 Hz – 2 GHz

Open-source handheld VNA with 2.8" or 4" display. S11 + S21, 30 trace formats, 60 shell commands.

Browse docs

NanoVNA-F

50 kHz – 1.5 GHz

Metal-enclosure VNA with 4.3" IPS display and 5000 mAh battery. USB-C, aluminum CNC body.

View NanoVNA-F docs →

NanoVNA-F V3

1 MHz – 6 GHz

Extended-range VNA with 4.3" IPS display. Covers cellular, WiFi, and microwave bands.

View NanoVNA-F V3 docs →

NanoVNA-H is an open-source project. Firmware by edy555, cho45, hugen79, and DiSlord. Current firmware synchronized with NanoVNA-D v1.2.44.

Hardware designs are open — schematics available in the GitHub repository.