COMING SOON
The First-Ever Repeater Specifically Designed for MeshCore
The Grumpy King 1 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! This repeater is built with over 11,000 mah total battery and a 10 watt solar panel to ensure adequate power in any weather conditions! The Grumpy Repeater is designed for maximum uptime, efficient power usage, and seamless deployment in real-world environments.

🚀 Launch Announcement

Pre-Orders Begin August 1, 2026 on the Grumpy Mesh Board

The Grumpy King 1 Repeater and the Grumpy Mesh Board are almost here!

Due to overwhelming demand, the Grumpy Mesh Board will also be available as a stand-alone product.

The Grumpy Mesh Board features a powerful 1 watt MeshCore radio, an SMA antenna connector, and built-in Wi-Fi with external antenna connector, for convenient firmware updates. Build your own enclosure for a portable node, solar repeater, vehicle installation, or any custom MeshCore project.

Stay tuned for product photos, complete specifications, pricing, preorder details, and additional announcements as we get closer to launch.

📖 How We Got Here
Follow @GrumpyDadOutdoors for development updates.
Sometimes You Need an Grumpy Repeater to Cut Through the Mesh.