Skip to content

Arctic sensor networks

Connecting the Unreachable

We connect remote sensors through a self-healing radio mesh, so a whole field site shares one uplink instead of a satellite link at every station.

Tested to -40°C, with over 98% of packets delivered.

The problem

A sensor dies in October. You find out in June.

Arctic stations sit unattended for a season. When a logger fails, nothing reports it, and the gap in the record cannot be recovered.

Getting data home is priced per station, so instrumenting a site densely costs more than the field budget allows.

One logger, one seasonIllustrative
no readings, and no alertlogger failsfield visit finds itJulAugSepOctNovDecJanFebMarAprMayJun
  • The assembled V1 board, green, with terminal blocks along its edges and an antenna cable attached

    One board, three roles

    The same hardware works as a sensor, a relay or the gateway. See how the mesh routes, schedules and heals.

    How it works
  • Close-up of the antenna connector and the 868 MHz radio section of the V1 board, with a spectrum trace on an instrument behind it

    Where Nuna fits

    How one shared uplink compares with a satellite terminal, LoRaWAN and a consumer mesh.

    Why Nuna
  • The bare V1 circuit board before assembly, showing gold pads and silkscreen labels for the battery, sensor and power sections

    Who is building it

    The node started as a bachelor thesis at DTU. Meet the seven people turning it into a company.

    About us

What we built

One uplink for a whole site

Nodes relay to each other

One uplink serves the site. Adding the twentieth sensor costs a sensor, not another satellite subscription.

A node that drops out reroutes

The mesh finds another path and the site keeps reporting.

Built for the cold, not adapted to it

Radio, power and timing were designed around the temperature, then tested at it.

Mesh topology

Where we are

We tested the node to -40°C in a climate chamber at DTU. We have not deployed in the field yet. First deployment is planned for summer 2027.

Three V1 circuit boards with an antenna on a board inside a frosted climate chamber
V1 boards inside the climate chamber at DTU during cold testing
In a climate chamber at DTU
tested to minus 40 degrees Celsius
Packets acknowledged at -40°C
over 98 percent of about 19,600 packets acknowledged at minus 40 degrees Celsius
Area one network is designed to cover target
about 31,000 square kilometres, a V2 design target
  • DTU X-Tech2026 winner
  • PSV, PreSeed VenturesAdvancement Award
  • DTU SkylabIncubator
Follow the build on LinkedIn