How it works
From box to boat-safe in an afternoon
One hub. Cellular built in. Then you choose exactly what it watches — onboard sensors, wired inputs, and wireless add-ons that talk to gear you may already own.
Plans from $0 · No SIM, no marina WiFi · 90-day returns · US-based support
Three steps. One afternoon.
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1. Install
Mount the hub somewhere dry and connect it to your 12V battery — positive, ground, and an inline fuse. Wire any cable sensors (bilge, float switch, shore power) to the labeled screw terminals, and place wireless sensors anywhere you like. Most owners finish in 15–30 minutes with basic hand tools.
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2. Connect
Power it on and it finds the cellular network by itself — no SIM to buy, no marina WiFi, no router config. Open the Roam app, pair wirelessly, and name your boat. If your dock has WiFi, add it and the Roam Hub will prefer it to save cellular data.
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3. Monitor
Set the thresholds that matter to you — low battery, bilge running too often, freeze warning, anchor drift. Then close the app and live your life. The Roam Hub watches 24/7 and texts you the moment something needs attention.
Three ways the Roam Hub sees your boat
Start with the hub and grow from there. Everything reports to one app, on one screen — whether the reading comes from inside the hub, a wired sensor, or a wireless device across the boat.
1. Built into the hub
Working the moment it's powered, no extra hardware:
- Battery voltage — catch a slow drain before it strands you
- Temperature & humidity — freeze warnings, damp, fridge failures
- GPS location & anchor watch — know if the boat leaves its slip or drags anchor
- Motion & orientation — unusual movement aboard
2. Wired inputs
Up to four cable sensors land on the hub's labeled screw terminals — the things you want to know the instant they change:
- Bilge pump activity — runs too often is the first sign of a leak
- Float / high-water switch — water where it shouldn't be
- Shore power — the moment dock power trips and charging stops
- Supply voltage — a second battery bank or critical circuit
3. Wireless & third-party
Add up to 16 wireless sensors and pull in gear you may already own — all wirelessly, no extra wiring:
- Roam wireless sensors — RuuviTag Standard & Pro for temperature, humidity and movement anywhere aboard: engine bay, fridge, lazarette, cabin
- Victron — read solar and battery data straight from compatible Victron gear wirelessly
- NMEA 2000 — connect to the boat's marine bus for depth, wind, tank levels and engine data
Buy only what you need, add more any time — it pairs in minutes from the app.
What you'll see in the app
Live readings and history for every system, with alerts you control — all on one screen.
Battery voltage
Catch a slow drain before it strands you or kills your bilge pump.
Built in
Temperature
Freeze warnings and fridge or reefer failures, before they cost you.
Built in
GPS & anchor watch
Alerted if the boat leaves its anchor or slip.
Built in
Motion & sea-state
Know how the boat's riding — unusual movement aboard, or a rough night at anchor.
Built in
Bilge pump activity
Know when the pump runs too often — the early sign of a leak.
Wired sensor
Float / high-water switch
Immediate alert when water reaches a level it shouldn't.
Wired sensor
Shore power
Know the instant dock power trips and charging stops.
Wired sensor
Wireless sensors
RuuviTag Standard & Pro — temperature, humidity and movement anywhere aboard. Up to 16.
Wireless
Hatch & door
Know the instant a hatch or door opens, plus tamper alerts.
Wireless
Victron solar & battery
Pull charge and battery data from compatible Victron gear wirelessly.
Integration
NMEA 2000 bus
Depth, wind, tank levels and engine data from the boat's marine network.
Integration
Common questions
Do I need any special tools?
No — basic hand tools and a way to run a fused 12V line. If you can wire a stereo or a bilge pump, you can install the Roam Hub.
Do I need WiFi to set it up?
No — setup is done right in the app, and the hub connects to cellular on its own. No WiFi required.
What wireless sensors can I add?
Several, all battery-powered and paired from the app with no wiring: a Wireless Float Switch (high-water alarm, no cable run), a Wireless Shore Power Sensor (know the moment dock power drops), and a Door/Hatch Sensor (open & tamper alerts). For temperature, humidity and movement anywhere aboard — engine bay, fridge, cabin, lazarette — add RuuviTag Standard or Pro. You can also pull in Victron solar and battery data. Run up to 16 in all.
Does it work with my Victron or NMEA 2000 gear?
Yes. The Roam Hub reads solar and battery data from compatible Victron equipment wirelessly, and connects to the boat's NMEA 2000 bus for depth, wind, tank and engine data. No extra hub or app — it all shows up alongside everything else in Roam.
Can I add sensors later?
Yes. Start with the hub and add wired or wireless sensors any time — they pair in minutes from the app. Buy only what you need.
What happens in a cellular dead zone?
The Roam Hub keeps logging on board and syncs the full history the moment it reconnects. You don't lose data.
Want a hand planning your install? Send us a message.