COMING SOON
The First-Ever Repeater Specifically Designed for MeshCore
The Grumpy King Repeater (final name subject to change) 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 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
Sometimes You Need an Grumpy Repeater to Cut Through the Mesh.