Introduction to Meshtastic
A plain-language overview of Meshtastic, LoRa radio, off-grid messaging, and the basic way devices communicate through the mesh. This is the best starting point for someone who has never used the system.
Getting Started
The main step-by-step guide for taking a supported radio from the box to an operating Meshtastic node. It directs users through hardware identification, firmware installation, connection, and initial setup.
Supported Devices and Hardware Comparison
A catalog of supported radios and development boards from RAK, LILYGO, Heltec, Seeed Studio, and other manufacturers. Use it to compare features such as processor type, GPS, display, Bluetooth, Wi-Fi, battery efficiency, and expandability before buying or building a node.
RAK WisBlock Devices
An introduction to the modular RAK WisBlock platform, including starter kits commonly used to build efficient portable, fixed, and solar-powered nodes. It is especially useful for users who want to select their own enclosure, antenna, GPS module, sensors, and power system.
Flashing Meshtastic Firmware
Instructions for installing or updating Meshtastic on supported ESP32, nRF52, RP2040, and RP2350 devices. The correct flashing procedure depends on the processor used by the radio.
Initial Configuration
Explains the minimum configuration required before a new node can communicate. Most importantly, users must select the correct regulatory region -- US for normal operation in the United States -- which determines the permitted frequency range.
Meshtastic Client Software
An overview of the Android, Apple, browser-based, and command-line applications used to configure radios and interact with the mesh. Most beginners will use the Android or Apple app over Bluetooth, although the web client is also useful for supported USB and network connections.
Radio Configuration
The central reference for node settings, including device roles, LoRa parameters, channels, position reporting, power management, Bluetooth, networking, and display options. Beginners should avoid changing advanced settings until they understand how those changes affect compatibility and mesh traffic.
Configuration Tips
Practical guidance on channels, position privacy, node roles, rebroadcasting, and other commonly misunderstood settings. This is valuable reading before experimenting with private channels or changing a node from the normal CLIENT role.
LoRa Configuration
A detailed reference for modem presets, hop limits, transmit power, frequency slots, bandwidth, spreading factor, and related radio parameters. Beginners generally should retain the locally established modem preset and frequency slot so their nodes remain compatible with nearby users.
Channel Configuration
Explains the primary channel, secondary channels, channel names, encryption keys, position precision, and MQTT options. It is the primary reference for joining an established private group or creating a shared channel for friends or an organization.
Meshtastic Glossary
Definitions of commonly encountered terms such as node, channel, modem preset, hop limit, broadcast, role, and region. Keep this nearby while reading the more technical configuration pages.
Meshtastic Frequently Asked Questions
Answers to common questions involving range, antennas, channels, Bluetooth, GPS, firmware, compatibility, and sharing configurations. It is often the quickest place to resolve a basic problem before moving into deeper troubleshooting.
How the Mesh Broadcast Algorithm Works
An accessible explanation of how Meshtastic packets are broadcast, acknowledged, relayed, and prevented from circulating indefinitely. It helps explain why Meshtastic behaves differently from conventional routed computer networks.
This list is provided for your convenience. RATS does not typically endorse or recommend products or retailers. Product specifications are subject to change. Check data sheets, manuals, user reviews, and other internet resources prior to purchase to confirm compatibility.
⚠️ WARNING: Never switch on a Meshtastic radio without a matched antenna connected -- even briefly! This can very easily cause permanent damage to the delicate transmit or receive circuits.
Alley Cat
Designer of several popular 3D-printable Meshtastic hardware enclosures.
EZ Hang
An EZ Hang is a slingshot with a fishing reel attached. Handy for launching antenna support lines over trees and other structures.
Heltec Automation
Heltec produces several popular ESP32 and nRF52840 based LoRa boards, as well as several unique mesh-enabled devices.
MakerNova
Offers a wide variety of 3D-printed enclosures and other accessories for Meshtastic nodes. Combine these with a matching LoRa radio from Heltec or RAK Wireless.
Meshnology
Online retailer offering numerous Meshtastic boards, kits, and accessories.
muzi.works
Manufacturer of assorted Meshtastic radios, antennas, and components.
PeakMesh
Manufacturer of high-quality outdoor Meshtastic nodes for pole, magnet, or treetop/suspended installation, including solar-powered nodes suitable for mobile use.
Rokland
Produces the popular RAKwireless line of modular LoRa transceivers and accessories, including a few finished items such as Meshtastic radios and trackers.
Seeed Studio
Manufactures pre-assembled Meshtastic radios, repeaters, and tracking devices.