Beacon 30 MHz

18 mo

Battery life

At 15-minute logging interval

−40…+85

Operating range, °C

Industrial temperature grade

±0.2 °C

Sensor accuracy

Factory-calibrated

64 × 26

Board size, mm

Fits standard enclosures

Why Beacon

Built for the places nobody wired up

Cellars, tunnels, cold rooms, remote sites, shipping crates. Anywhere a gateway is impractical and a technician visit is expensive.

Autonomous by design

Configurable duty cycles keep the device in deep sleep between measurements. Deploy it and forget it for a full season.

Deep sleep 82%Power profiles

Measure. Log. Repeat.

Temperature, acceleration and light are written straight to on-board memory — no connection required at the moment of measurement.

TempAccelLightGas · soon

Read it from your phone

Walk up, open the app, pull the log over Bluetooth Low Energy. No internet, no account, no gateway in between.

AndroidDesktopOffline

30 MHz goes further

Where 2.4 GHz stops at the first wall of rock, a low-frequency link keeps a beacon detectable through soil, concrete and water.

In development

Your data, your choice

Keep everything local, export CSV, or sync to your account when it suits you. Nothing leaves the device without your action.

CSVLocalCloud optional

Yours to customise

Different sensor, different form factor, different protocol — we adapt firmware and hardware for OEM integrations.

FirmwareHardwareIntegration

How it works

From sensor to decision in six steps

01

Sense

Temperature, motion and light on a schedule you define.

02

Log

Records go to internal memory, connection or not.

03

Connect

BLE in range, 30 MHz where BLE cannot reach.

04

Sync

Download to phone or desktop, push to cloud if you want.

05

Analyze

Charts, min/max, export to CSV for your own tools.

06

Act

Set thresholds, prove compliance, adjust operations.

Apps

The whole device in your pocket

Mobile and desktop apps talk to the beacon directly. Configuration, live values, full log download and export — all without an account.

Live overview — temperature, battery, uptime and signal at a glance.

Full log download — pull every record from flash and export CSV.

Profiles & scheduling — intervals, sensors and sleep strategy per deployment.

Signal diagnostics — RSSI history to place devices where they are reachable.

Android app Desktop app

Beacon Manager Android app — device overview

Online cabinet

Your measurements, controlled in the cloud

When the desktop or mobile app synchronises a Beacon, its measurements become available in your secure online cabinet — from any browser, wherever your team works.

All devices in one placeOnline status, last sync, location and firmware at a glance.

Charts and historyExplore temperature, humidity, pressure and other sensor records over time.

Data controlExport CSV, identify unreliable timestamps and remove synchronised records.

Team accessClaim Beacons to your organisation and manage access from one account.

Log in to online cabinet Reset password

Cloud sync is optional. Local collection and CSV export remain available without it.

api.sevskiy.com/dashboard/

Real Beacon Manager cloud dashboard showing the registered device list

Real Beacon Manager device page showing live readings and historical charts

Endurance

Power accounting you can audit

Every state transition is counted on the device, so you always know where the energy went — and how long the deployment can still run.

Current session2d 22h

Lifetime total3d 20h

Active17h · 18%

Sleep (Stop1)3d 3h · 82%

Flash erase cycles561

Go beyond Bluetooth

30 MHz for underground and obstructed sites

Specialised receivers and signal-analysis software are in development for beacon detection where short-range radio simply does not propagate.

30 MHz signal propagating through terrain to a receiver

Receiver segment · in development

Long rangeBetter material penetration

UndergroundTunnels, cellars, shafts

Signal analysisDetection and localisation

Custom receiversBuilt to your scenario

Applications

One platform, many environments

From remote field sites to embedded products, Beacon keeps measuring where power, wiring and network coverage are unavailable.

Remote mountain environment for autonomous field monitoring

Environmental monitoring

Long-term temperature, light and movement records from sites with no power and no coverage.

Remote monitoring environment for industrial and facility deployments

Industrial & facility

Storage rooms, machinery and cold zones, logged continuously.

Field research environment for long-running sensor experiments

Research & biology

Reproducible conditions data across long experiments.

Low-connectivity terrain for underground and obstructed deployments

Underground & mining

Assets and conditions in places radio usually gives up on.

Electronics engineer working on a circuit board for embedded and OEM integration

Embedded & OEM

Put the measuring core inside your own product, with firmware shaped around your protocol and form factor.

Technical data

Specifications

Preliminary figures for hardware v1.2 — confirm against the datasheet before designing them into a system.

MCUSTM32L4 · ultra-low-power

SensorsTemperature · 3-axis accel · light

Temperature accuracy±0.2 °C (0…60 °C)

Logging interval1 s … 24 h, configurable

On-board memoryExternal flash · 768 records/window

Short-range radioBluetooth Low Energy 5.x

Long-range radio30 MHz TX · SMA connector

Power supply3.6 V Li-SOCl₂ / 2×AA

Battery lifeup to 18 months @ 15 min

Operating range−40 … +85 °C

Dimensions64 × 26 × 8 mm

ComplianceCE · RoHS

Datasheet (PDF)Full electrical characteristics

Quick start guideFirst deployment in 10 minutes

Integration notesData format & API reference

Get one

Start with one, scale to a fleet

Early-access pricing, excl. VAT and shipping. Prices below are placeholders — set your real numbers before publishing.

€149

Single unit, assembled and tested

Beacon board with SMA connector
Battery and quick start guide
Mobile and desktop apps

Reserve a unit

Evaluation kit

€349

Everything needed for a real pilot

3 beacons + antennas + enclosures
Cloud account with data preview
Onboarding call with an engineer
Priority firmware updates

Order evaluation kit

OEM & custom

Let's talk

Volume, custom hardware or firmware

Custom sensors and form factor
Protocol and backend integration
Series production support

Request a quote

Ideas & community

Where would you use a Beacon?

We build this platform with the people who use it. Tell us what you would measure, where, and what the platform should do next — the most requested ideas go into the roadmap.

All ideas Use case Sensor Software Integration Other

Every submission is read by the engineering team in Munich. If your scenario needs something we do not have yet, that is exactly what we want to hear.

Name (optional)

Email (optional)

Questions we get asked

No. The beacon measures and stores data entirely on its own. You read it over Bluetooth Low Energy with a phone or laptop when you are near it. Cloud sync exists, but it is optional and happens through your device, not through the beacon.

It depends entirely on your logging interval and how often you connect. At a 15-minute interval with occasional BLE reads, expect well over a year. Aggressive sampling or frequent connections will shorten this considerably — the app shows a live power breakdown so you can measure it in your own setup.

Low-frequency radio penetrates soil, rock, concrete and water far better than 2.4 GHz. It is aimed at detecting and locating beacons underground or behind heavy obstruction. The receiver hardware and analysis software are still in development — the transmitting side ships today.

The board fits standard enclosures, and sealed housings for outdoor or wet environments are available on request. For volume orders we adapt the mechanics to your mounting and ingress requirements.

You do. Records live on the device and on your own machine. If you choose to sync, data is stored on EU infrastructure under GDPR, and you can export everything as CSV at any time.

Yes — that is a large part of what we do. Different sensor sets, measurement logic, radio protocols, power budgets or a completely different form factor. Tell us the application and we will scope it.

Put a Beacon where you cannot run a cable

Reserve a unit from the first batch, or send us the scenario you are trying to solve — we answer every message personally.

Reserve a Beacon Talk to an engineer