GRUMPYMESH
The First-Ever Repeater Specifically Designed for MeshCore
The Grumpy King Repeater is a purpose-built repeater engineered for reliable, always-on MeshCore networks. It contains the 1 watt Grumpy Mesh Board with SMA connector and Wifi connector for easier firmware updates! Since then, we have began to work on other repeaters to add to the GrumpyMesh Lineup. Click the links above to check out everything in the Grumpy Mesh Lineup The Grumpy Repeaters are designed for all weather conditions including hurricanes to provide maximum uptime, efficient power usage, and seamless deployment in real-world environments.

To see how we got here and why we started the Grumpy Mesh business, click on the "How We Got Here" Link on top of the page.

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🎉 Exciting News!

Grumpy Mesh has officially reached an agreement with a distributor!

Even more exciting, this distributor is already an approved vendor for many public safety agencies, hospitals, and commercial businesses. This will make purchasing a Grumpy Mesh King Repeater significantly easier for organizations that normally have lengthy purchasing requirements.

While we aren't ready to announce the distributor just yet, we're excited about what this partnership means for the future of Grumpy Mesh and the communities we serve.

More details will be announced as we get closer to the official launch of the Grumpy Mesh King Repeater.

🚀 Introducing the Grumpy Lite Repeater

A More Affordable Way to Get Grumpy

We're developing a new repeater designed to bring the Grumpy Mesh experience to more installations at a more attractive price.

The Grumpy Lite Repeater uses our same Grumpy Mesh enclosure, but with a stripped-down internal design and fewer features than the Grumpy King Repeater. Inside, it will feature a Heltec V4 screenless 27 dBm radio with Wi-Fi, two 21700 batteries providing approximately 11,000 mAh, a 10 watt solar panel, weatherproof USB, and an N-Female bulkhead-to-IPEX antenna connection.

You'll also be able to choose your Wi-Fi antenna and rear enclosure configuration.

More information will be released in the next few weeks!

🔧 Learn More About the Grumpy Lite

📋 View Grumpy Mesh Board Product Page

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Sometimes You Need a Grumpy Repeater to Cut Through the Mesh.
❤️ The Avery Repeater — Coming Q4 2026
Visit the Avery Natal Foundation