Offline-first · Built in Iowa City
When the towers go quiet,you don't.
Eighteen field tools under one fullscreen console — navigation, Meshtastic LoRa mesh comms, stamped records, and an AI that answers with the radio off. Every tool is enabled on every unit from the first boot. There is nothing to unlock and nothing to subscribe to.
Buy direct · built by hand in Iowa City
Pick a terminal.
Every price is the whole price — assembled, flashed, burn-in tested, with the complete software suite installed and every tool enabled. Choose your memory, storage and radio in the options picker and the total updates as you go. Built terminals run $179 to $1,339; mechanical kits from $89 if you would rather build it yourself, software on its own is $99.
The short version
Consumer tools assume coverage.
The field doesn't.
GREYFATHOM starts from the opposite assumption — no signal, no server, no second chances — and builds every tool to work right there on the device.
Offline by design
Maps pre-loaded on the card, time- and position-stamped logs, the manuals on the device. Pull the plug — nothing here needs one.
Mesh comms
Meshtastic messaging over LoRa. Every node relays for the others — a self-healing radio network your team carries with it.
On-device AI
A real language model on the Pi itself — llama.cpp with Qwen 3, plus Ollama. Swap any .gguf from USB. No account, no cloud.
Night-vision red
One tap and every app flips to pure red channel — green and blue at zero — so your dark adaptation survives the screen. Try the moon icon up top.
Who it's for
Built for work past the last bar.
The problem isn't a profession. It's the distance between you and the infrastructure everyone else assumes is there.
The line
Pocket node to base station.
Five shipping models, one design language. The LoRa mesh radio is fitted to every unit, and the software that drives it is already installed and running.
Eighteen tools, one console
Everything it does. All of it, from day one.
There are no tiers, no licence levels, and nothing to unlock. Every tool is installed and enabled on every unit. Four of them need a physical part to do their job — a radio, a receiver — and those parts are the only thing that costs more.
Goes in the same box
The parts you'd wish you had.
Two weeks after a terminal arrives, the same short list of missing things comes up every time. So it ships in the pouch instead — or on its own, if you already have a unit.
Not sure which one
Pick by the job, not the spec sheet.
Five models, three kinds of work. Most people know which line they are in within a sentence.
Carrying it all day
GFT-5 Mini
The whole suite in one hand. Add a pocket node and two people are a mesh.
From $749 →Running a team from a truck
GFT-7
Opens flat on a tailgate. Two relay nodes and a field kit make it a small incident post.
From $889 →A base that stays put
GFT-X
Screen, keyboard, the lot, in a case you carry one-handed. Three endurance nodes cover the ground.
From $1,339 →Plain terms
What we don't claim.
Field gear earns trust by what it refuses to promise. This list is on the site, in the guide, and in the box.
Ready to go dark?
Pick a terminal, take the software for your own Pi, or ask a question before you spend anything.