ETCS

Illustration showing a commuter train and mast with railway communication equipment, cables and antennas

Delivering reliable ETCS integration for modern and legacy fleets

The deployment of the European Train Control System (ETCS) is transforming railway operations by enabling interoperability, improving safety and supporting future automation. However, ETCS upgrades require far more than the installation of onboard signalling equipment. Successful implementation depends on the seamless integration of harnessing, antennas, communication systems and vehicle interfaces within often complex rolling stock environments.

We support operators, system integrators and train manufacturers with proven expertise in ETCS integration, RF design, antenna technologies and connectivity solutions, helping rail fleets modernise safely, efficiently and with a clear migration path from GSM-R to FRMCS.

Get in touch with our experts today

Challenges of ETCS integration

ETCS programmes involve more than the installation of onboard signalling equipment. Operators must balance system integration, safety, communications performance and operational continuity while modernising existing fleets. Successful deployments require addressing several key challenges.

Complex rolling stock integration: ETCS retrofits require new signalling, communications and connectivity systems to be integrated into existing vehicle architectures, often with limited documentation and vehicle-specific constraints.
Space, performance and reliability requirements: Engineers must balance limited installation space, complex cable routing, RF performance, EMC compliance and operational reliability across the entire system.
Future-proofing fleets for digital rail: ETCS deployment is only the first step. Operators must also prepare for FRMCS, increasing onboard data demands and future automation initiatives.

How HUBER+SUHNER supports ETCS upgrades

White icon of a high-speed train inside a blue circle

Co-engineering & system integration

Supporting the integration of ETCS equipment into modern and legacy rolling stock.

White icon of a rising arrow inside a blue circle

Custom harness & cable assemblies

Tailor-made LF harnesses, RF assemblies and plug-and-play solutions for efficient installation.

White icon of three upward arrows emerging from circular points inside a blue circle

Antenna & RF expertise

Optimising antenna placement, RF performance and EMC compliance for reliable communications.

White icon of a shield with a checkmark inside a blue circle

Onboard connectivity infrastructure

Providing railway-certified Ethernet, cable and connectivity solutions for digital train architectures.

White icon of a badge with a checkmark inside a blue circle

Testing, documentation & quality assurance

Supporting validation, traceability and consistent fleet-wide deployment.

White icon of two hands shaking inside a blue circle

GSM-R to FRMCS migration support

Helping operators prepare ETCS upgrades for future communication technologies and digital rail initiatives.

Explore our solutions

Our solution supports ETCS modernisation programmes with integrated connectivity solutions that simplify installation, improve system reliability and prepare rolling stock for future communication technologies. From harnessing and RF assemblies to antenna integration and engineering support, our solutions help operators and OEMs reduce complexity throughout the ETCS upgrade lifecycle.

Harnessing solutions

Custom-designed low-frequency, power and RF harnesses enable efficient integration of ETCS onboard equipment, even in space-constrained vehicle environments. Delivered as tested plug-and-play assemblies, our solutions help reduce installation effort while ensuring quality and consistency across fleet upgrade programmes.

3 black railway cables, 2 with connectors

RF connectivity solutions

Reliable train-to-trackside communications depend on robust RF performance. We provide high-performance RF cable assemblies and connectivity solutions designed to minimise signal loss and support safety-critical ETCS communications.

Antenna solutions for ETCS and FRMCS

Our railway antenna portfolio supports GSM-R, ETCS, LTE/5G, GNSS and future FRMCS deployments. Designed for demanding rolling stock applications, these solutions help operators maintain reliable communications today while preparing for the next generation of railway networks.

Discuss your ETCS upgrade requirements with our railway experts

FAQ about ETCS upgrades

What is involved in an ETCS rolling stock upgrade?

An ETCS upgrade involves more than installing onboard signalling equipment. It can require a modernised driver interface, new I/O modules, communication gateways, power supply changes, connections to critical safety functions and carefully engineered LF and RF cabling. The existing electrical and physical layout must also be understood before integration begins.

Why is connectivity important for ETCS modernisation?

ETCS depends on reliable communication between onboard systems and trackside infrastructure. The performance of antennas, RF cables, data networks, harnesses and connection points can directly influence the quality and reliability of the complete system integration.

How does our solution support ETCS upgrade projects?

What is the role of the Railway Ethernet Switch RES10G?

Does RES10G support Power over Ethernet?

How does FRMCS affect antenna and RF integration?

Why are plug-and-play harness assemblies valuable in ETCS projects?

How can I discuss an ETCS upgrade requirement with us?

Get in touch

Do you have questions?

We will gladly assist you. Send us a message or find your local contact:

Contact form

Go to contact form

Locations worldwide

See locations