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A Safe & Reliable Wireless Solution

Only Transmission Across Water-Air Boundary Adds Flexibility

Automate Monitoring of Sea Conditions for Better Results

Our flagship product – HydroFi Modem

CSignum are attending Oceanology International 2022 to launch the HydroFi Modem, collaborate with operators, service providers and technology leaders across ocean industries, and enhance our understanding of underwater wireless communication needs.

Oceanology Event March 2022

The Team Attending 

Chris Brooks
Oceanology Event March 2022


Molly Reyes
Oceanology Event March 2022

Chief Commercial Officer

Ian Wilkinson
Oceanology Event March 2022

VP, Sales

Stefan Videv
Oceanology Event March 2022

Chief Innovations Officer

Mark Rhodes
Oceanology Event March 2022

Chief Technical Officer

How can HydroFi Help me?


CSignum enables frequent and automated data transmissions of temperature, salinity, dissolved oxygen, flow, currents, nutrients and sea levels in a safe, reliable way that doesn’t affect marine life.


CSignum enables precision aquaculture for offshore fish farming, providing farmers a way to automate and process data across multiple fish pens and increase the reliability, efficiency, safety, and sustainability of fish production.

Subsea Structures

Offshore wind farm and oil and gas operators now have a wireless solution that monitors fatigue, corrosion, strain, pressure, temperature and currents in turbid, choppy, ambient light and biofouled environments.

Let’s Chat

Our team can’t wait to learn about how our technology might be able to help you. Why not get in touch with us and arrange to meet with one of our team at Ocean Business.