How it works

MeshCore uses LoRa radio to move packets between devices. Messages can travel through intermediate nodes to reach stations beyond the sender's direct radio range.

The radio network itself does not require cellular coverage, a SIM card or a permanent internet connection.

Companion nodes

A Companion is a user-facing MeshCore node. It can connect to a smartphone or another controller over Bluetooth and is used for sending and receiving messages.

Repeater

A Repeater is an autonomous MeshCore relay. It receives packets and forwards them through the network, extending radio coverage and improving mesh connectivity.

Room Server

A Room Server acts as a simple message server inside the mesh. Users can connect to it through MeshCore and exchange messages without relying on internet infrastructure.

MeshCore in Narva Mesh

In our system MeshCore operates alongside Meshtastic. A dedicated gateway receives messages from one LoRa network and transfers them to the other.

This allows Meshtastic and MeshCore to become parts of the same Narva Mesh infrastructure.

Possible uses

• off-grid text messaging;
• hiking and expeditions;
• volunteer coordination;
• backup communications;
• emergency and crisis communications;
• distributed LoRa networks without central infrastructure.

MeshCore and Meshtastic

MeshCore and Meshtastic both use LoRa, but they are different network protocols and their nodes cannot communicate directly.

Narva Mesh solves this with our MeshCore ↔ Meshtastic gateway, which transfers messages between the two networks and also forwards information to the central server.

Hardware

The MeshCore network uses compatible LoRa devices. For use in Estonia, choose hardware supporting the EU 868 MHz band.

Compatible devices are available from manufacturers such as:

• Heltec Automation — heltec.org
• LILYGO — lilygo.cc

Important: before purchasing, check that the specific model is supported by MeshCore and choose the 868 MHz / EU 868 version.

Installing MeshCore

MeshCore firmware can be installed directly from a web browser using the official MeshCore Web Flasher.

After installation, configure the device for the EU 868 MHz band and use the local Narva MeshCore network settings published on this page.

Official website: meshcore.co.uk