GENSS

Built by users, engineered in the UK, trusted for the fight ahead.

GENSS is an Evergreen software-defined tactical communications system delivering secure L-Band satellite networking, MANET extension, and efficient beyond-line-of-sight voice and data communications for distributed forces.

Designed, engineered and manufactured in the UK, GENSS is built around a scalable, modular SDR architecture designed to evolve as operational requirements and technologies change.

The system enables:

  • secure L-TAC satellite networking
  • extension of MANET networks beyond the line-of-sight “bubble”
  • efficient voice and data communications in contested and degraded environments
  • adaptable integration across soldier, vehicle and autonomous systems

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GENSS Soldier System radio mounted on the rear of a soldier’s plate carrier, illustrating lightweight, rugged beyond-line-of-sight tactical communications capability.

Built to Endure. Engineered to Adapt.

GENSS is an Evergreen software-defined tactical communications system, built for operational independence and designed to adapt as fast as the mission.

Developed by leading UK engineers and created by former Specialist users, GENSS delivers an agile, modular architecture that gives you voice and data dominance wherever you operate — on the move, on the soldier, or on the platform.

Built in the UK | Designed by users for users | Trusted innovation from Spectra Group

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Confidently secure comms

Operate with confidence, even in the most contested and congested environments.

GENSS uses Low Probability of Intercept/Detection (LPI-D) technology, AES-256 encryption, and anti-tamper design to “hide in the noise” — ensuring mission-critical voice and data remain protected.

Communications on-the-move are maintained through adaptive waveforms that continually optimise performance in changing conditions.

GENSS Key Features

Engineered for agile, secure, and future-proof communications

Open Architecture Icon
Open Architecture
Adaptability and interoperability that seamlessly integrate with your existing systems.
Adaptable Icon
Adaptable
Form factor can change; different waveforms can be added for new applications, carriers, and bandwidths.
LPI-D Icon
LPI-D
Enhanced security, minimising intercept risk by hiding communications in the noise.
SWaP Icon
SWaP
Less weight, fewer components—improved portability, efficiency, agility, and capacity.
Intuitive Interface Icon
Intuitive Interface
Simplicity, low training burden, and an improved user experience with minimal cognitive load.
Bandwidth Icon
Bandwidth
Efficient use of spectrum—get more data in smaller channels while reducing detection probability.
TAK Ready Icon
TAK Ready
Uses in-service preferred applications for seamless mission integration.
Service Agnostic Icon
Service Agnostic
Choose between higher or lower bandwidth solutions to suit your specific operational needs.

Adaptable and future-ready

GENSS is built around an open, modular core — a scalable platform ready to evolve with technology, policy, and mission demands.

Whether integrated into UAVs, UGVs, sensors, or soldier systems, its architecture allows interoperability across HF, VHF, UHF, and satellite bands from 29 MHz to 6 GHz — giving you the freedom to build, deploy, and expand without limits.

Highlights:

  • Common core radio module
  • Open API for easy integration (TAK-ready)
  • Multiple form factors for diverse mission sets
  • Future software and waveform upgrades

Intelligent Efficiency

GENSS is designed to optimise performance even in degraded, congested or EW-threatened environments.

Its precision-engineered MODCOD and spectral efficiency enable high throughput with minimal bandwidth, including best-in-class L-TAC performance.

Performance proof points:

  • Up to 90 kbps on a standard 25 kHz L-TAC channel
  • Data-throughput down to 4.8 kbps @ 0 dB SNR
  • Adaptive and autonomous modulation & coding
  • Optimal performance with low power output
  • True BLOS capability with both radio and satellite channels

Built for Agility

GENSS is designed for the user—intuitive, lightweight, quick to deploy and easy to operate under pressure.

Its SWaP-optimised design reduces the cognitive and physical burden on operators while enabling rapid changes between modes without complex field programming.

User-centred benefits:

  • Lightweight, compact and power-efficient
  • Minimal training requirement
  • Intuitive menu and mission-mode switching
  • Rapid integration into soldier systems
  • Seamless transition between voice and data

Trusted Defence Heritage

From the global success of SlingShot to our leading Troposcatter systems, Spectra Group’s track record is trusted by defence and security users worldwide.

GENSS continues that legacy—bringing proven British engineering, military insight and innovation into the next decade of tactical communications.

VALIDATION

A revolutionary, future-ready communications system, designed by users to be an agile, modular platform with intelligent efficiency and robust security, ready to evolve for any mission.
Secure
Innovative voice and low data rate solutions communicate in the noise levels. Secure by design with AES encryption, anti-tamper features, and support for Communications on the Move (COTM).
Trustworthy
Developed by military users in collaboration with leading UK scientists and engineers, backed by the proven success of products like SlingShot.
Credible
Demonstrated ability to deliver on promises at scale, supported by a robust UK supply chain.
User Friendly & Future Ready
Intuitive, SWaP-optimised design with open architecture ensures GENSS evolves with your needs. Adaptive modulation waveforms automatically adjust for optimal performance.
A rugged GENSS platform radio control unit mounted on the dashboard of a military vehicle, showing multiple connected cables, control dials and a durable enclosure designed for field operations.

Built on Trust

Proven by Experience

GENSS isn’t just advanced technology—it’s a solution crafted by military professionals in partnership with the UK’s top scientists and engineers. With a heritage of successful systems like SlingShot and a commitment to British design and supply excellence, GENSS delivers robust security, reliability, and scalability for defence communications.

See GENSS in Action

Want to experience GENSS performance firsthand?

Our team can provide capability briefings, technical insights and live demonstrations.

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