For tech enthusiasts wanting off‑grid messaging, this DIY kit builds two encrypted communicators – 2km LoRa range, programmable, no cellular or Wi‑Fi required.
Key Features
Encrypted Off‑Grid Messaging– Send texts directly between devices using LoRa – no Wi‑Fi, no cell towers.
2km Range – Long‑range communication for outdoor adventures, camping, or emergency backup.
DIY Build & Learn – Assemble from scratch in ~2 hours – teaches radio tech, electronics, and coding.
Programmable with CircuitBlocks – Customize beyond texting – add drawings, sounds, and more.
Complete Kit – Includes all components, circuit boards, casing, and step‑by‑step guide.
Specifications
Technology:LoRa (long‑range, low‑power radio)
Range:Up to 2km (line‑of‑sight)
Build Time:~2 hours (both units)
Programming:CircuitBlocks (block‑based coding)
Skill Level:Beginner‑friendly (ages 9+)
Included:2× main boards, casing, battery holders, button caps, bolts, guide
Best For:STEM education, off‑grid communication, DIY electronics, camping
What's Included
📦 2 × Main circuit boards 📦 2 × Acrylic casings 📦 2 × Battery holders + covers 📦 1 × Set of button caps 📦 1 × Set of metal bolts 📦 1 × Plastic on‑off cap 📦 1 × Build guide & instructions
Build, encrypt, and message – wireless freedom, no network needed.