Reception Dina IMG_02662 HSEQ burgermenu Sustainability burgermenu2 Innovation burgermenu Cases burgermenu Latest news Buregermenu Press Buregermenu Contact burgermenu

General enquiries
Tel. +45 7916 6666


Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg

Offshore substation

Communication systems

As one of the pioneers in offshore substations, we have many years of experience in designing and integrating the many systems needed on an offshore substation


Integrated telecommunication solutions for your offshore substation

Creating a telecommunication solution for an offshore substation demands knowledge about how you best choose and integrate the various systems to the get the most out of your investment.

We have delivered more than 20 offshore substations fully equipped with  telecommunication and firefighting solutions during the last 20 years.

That makes us experts in the various solutions that are suitable for an offshore substation i.e.:

Based on thorough engineering studies our experienced engineers calculate and design the best solution in terms of safeguarding your people and assets while considering both the initial expenses for engineering, construction and installation  and the costs for operation and maintenance.

Data network

  • Local Area Network (LAN)
  • Wide Area Network (WAN)
  • Wireless Local Area Network (WIFI/WLAN)
  • Real Time Clock Synchronisation Server (RTC)
  • Network management/ monitoring systems

Radio systems

  • Terrestrial Trunked Radio base stations (TETRA)
  • Air repeater (TETRA)
  • LTE/4G/5G/ MCPTT
  • Digital Mobile Radio (DMR)
  • VHF AM Aeronautical
  • VHF FM Marine

Safety systems

  • SemSound™ IP PAGA system
  • Bird Deterrent System
  • Radar beacon/RACON
  • Automatic Identification System (AIS)
  • Closed Circuit Television System (CCTV)
  • Navigational equipment and radar

Voice and video systems

  • PABX Telephone System
  • Closed Circuit TeleVision (CCTV)

Transmission systems

  • Line of Sight PtP & PtMP (LOS)
  • Structured cabling - fibre and copper network
  • Optical transmission systems
  • Satellite communication

Control and access systems

  • Telecom Management System
  • Telecom Monitoring System

Navigation systems

  • S & X band radar
  • Automatic Identification System (AIS)
  • ADS-B
  • Flight corridor light system
  • Navigation light system/night marking
  • Helideck light system
  • Obstruction light system
  • Fan beam reflector system
  • Pilot Light Control system (PLC)
  • Meteorological System
  • ATIS

Auxiliary system

Intrusion Detection System
Private 4G LTE networks


Right now, 4G LTE private wireless networks for offshore wind farms are starting to gain traction; you might have noticed that some of the major wind farms have already adopted this technology?

Wherever you are in the world we have technicians ready to serve you:

Andrew Wang

Senior Manager, Telecom products

Semco Maritime Pte Ltd.
20 Toh Guan Road
07-03 CJ Logistics Building
Singapore 608839

Per Holgersen

Business Development Manager, Telecom

Semco Maritime A/S
Esbjerg Brygge 30
6700 Esbjerg

Head office
Esbjerg, Denmark

Semco Maritime A/S
Esbjerg Brygge 30
6700 Esbjerg

CVR no. DK 2549 0762

REX-no. DKREX170591191
EORI no. DK25490762


Semco Maritime Pte Ltd.
20 Toh Guan Road
07-03 CJ Logistics Building
Singapore 608839

Company reg. no. 200616492K (also GST)