Subnero

Subnero

Subnero Pte. Ltd.

Singapore, Singapore

Communications & SATCOMC4ISRUnmanned SystemsNaval SystemsDual-use
Component Supplier, Subsystem ManufacturerSupplies Naval Forces
Profile last updated: July 21, 2026

About

Subnero is a defense component supplier based in Singapore, Singapore working in communications & satcom, c4isr, unmanned systems +1 more.

Subnero is a Singapore-based developer of underwater wireless communication and networking technology. Its portfolio includes acoustic smart modems, the UnetStack software-defined networking framework and the SWIS product family, supporting seabed-to-shore connectivity. Applications span offshore energy, marine research and environmental monitoring, and defence. Defence offerings cover subsea domain awareness, mine countermeasures, passive acoustic surveillance, diver communication and command and control of unmanned vehicles. The company traces its origins to acoustic research at the National University of Singapore.

Location

Singapore, Singapore

Legal name

Subnero Pte. Ltd.

Focus areas

underwater acoustic communicationsubsea networkingacoustic modemssoftware-defined networkingunmanned surface vehiclessubsea domain awarenessmine countermeasuresoffshore energyocean monitoring

Languages

EN

Products & capabilities

Defense domains

Communications & SATCOMC4ISRUnmanned SystemsNaval Systems

Supply-chain role

Component SupplierSubsystem ManufacturerSoftware Developer

What they offer

HardwareSoftwareComponents

Markets

Also sells to civilian markets

Products

Subnero Underwater Network (SUN)

Underwater network stack

Software-defined communication layer connecting AUVs, sensors, divers, gateways and shore stations across acoustic, optical and terrestrial links.

UnetStack

Software framework

Programmable underwater network stack and software ecosystem with simulation environment and modem integration.

WNC Smart Modems

Underwater acoustic modem

Acoustic smart modems with edge processing for underwater data communication, organised into LF, MF and HF band series.

Unet II smart modems

Underwater acoustic modem

Earlier generation smart acoustic modem platform for underwater communication.

SWIS

Subsea IoT product series

Wireless integrated suite for deploying seabed sensors, harvesting data autonomously and managing underwater systems.

SWIS ADCP Edition

Subsea data retrieval system

Wireless retrieval of data from ADCPs with web interface and content-aware processing for multi-site deployments.

UnetSim and UnetCube

Simulation and test tools

Simulation and hardware-in-the-loop tools for designing and validating underwater networks before deployment.

End users

Naval Forces

Standards, platforms & customers

Named customers

ST EngineeringRTS Cube SystemsNauticus RoboticsHydroSurv

Credentials & affiliations

Awards

DisTec Undersea Challenge

DisTec2021

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