COMLAB Radio Frequency Systems for Rail Applications
About COMLAB
The Swiss company COMLAB has been a specialist in high-frequency technology in the railways sector for 40 years, and develops, manufactures, sells and installs ready-to-use communication systems for tunnel and in-train use.
Due to its longstanding experience as a single point of contact, COMLAB is able to guarantee unique standards of quality and know-how in every process stage.
Innovative, reliable and durable, our systems represent a cost-effective, long-term investment for our customers. At the same time, our highly qualified engineers attribute the utmost importance to individual consultations, customer-specific solutions and support.
Our key customers include international rail and train building companies, as well as mobile operators and emergency services organisations.
With branches in Germany and China and its global co-operation with a wide range of partners, COMLAB is able to respond effectively to the requirements of its customers all over the world.
Wireless coverage solutions for railways
COMLAB provides a comprehensive range of wireless coverage solutions. COMLAB’s repeater systems are suitable for various applications such as railway and metro line tunnels, road tunnels, buildings and in-train coverage. Thanks to many international contracts, we are one of the market leaders in the railways sector.
The system ensures that radio signals can be received inside their areas of use. Radio signals are not able to penetrate rock strata and certain strongly insulated areas, for instance. Therefore, the external antennas pick up the provider signals and the system amplifies and distributes them via leaky feeder cables or internal antennas.
Modular radio systems for the rail industry
COMLAB’s systems consist of modular components that can be easily integrated and perfectly adapted to the client’s requirements. This modularity also facilitates subsequent expansion and retrofitting.
Mobile radio services and digital audio broadcasting
COMLAB supplies mobile radio services, intercom facilities for the police, DAB, VHF and GSM-R technologies, analogue and digital radio for the emergency services, as well as in-tunnel GSM services for passenger mobile communications. Various technologies can be combined in a single system.
Engineering consultations for rail radio solutions
COMLAB overlooks every stage of the development, production and implementation processes of its radio systems. Qualified and experienced graduate engineers guarantee innovative engineering, and are available to advise clients, design systems and develop new components.
COMLAB’s specialists provide clients with comprehensive solutions that are specifically designed for their needs.
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Products and Services
InTrain Repeater Solution
The COMLAB InTrain repeater solution perfectly compensates for the high signal loss caused by modern train vehicles, which are very well-insulated with special thermally-insulated glass. It was specifically designed for extremely challenging use on high-speed trains.
Remote Unit Digital: RUD-5
The RUD-5 has been designed in order to extend radio coverage in various radio networks. Available as a fibre-optic repeater or an off-air repeater, it is suited to numerous areas of use.
Railway and Metro Tunnel Repeater Solution
The COMLAB repeater system is a multi-operator and multi-band radio coverage system which is able to combine radio distress and safety systems (TETRA, TETRAPOL), global systems for mobile communications on railways (GSM-R) and public mobile telecommunications systems (GSM, UMTS, LTE) with one another, and to simultaneously protect them against mutual sources of interference.
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White Papers
COMLAB Case Study: Stadler Rail / Moscow’s Aeroexpress
COMLAB supplied InTrain repeaters for 25 double-decker trains that Russian railway operator Aeroexpress ordered in February 2013 from Stadler Rail.
COMLAB Case Study: China’s High-Speed Railway Lines
On December 26, 2012, the world's longest line for high-speed trains, from Beijing to the southern Chinese city of Guangzhou, entered service along its full length for the first time.
Metro and Railway Systems
For over thirty years, we at COMLAB have focused on radio frequency (RF) technology. Our involvement includes design, development, production and installation of turnkey high-frequency radio systems.
Related Projects
Press Release
COMLAB will equip the Bielefeld city train tunnel with a BOS tunnel radio system. So, the company received an order worth €1.63m which is promoted by the public authorities. The Bielefeld tunnel has a total length of 10km and passes through seven underground railway stations.
Read moreCOMLAB equips tunnels between Nuremberg and Erfurt with the BOS digital radio system for public authorities (TETRA standard).
Read moreCOMLAB has won the tender for outfitting approximately 400 Deutsche Bahn (DB) trains with a mobile telecommunications system.
Read moreThe CPC consortium (cablex, Porr, Condotte/Cossi/LGV) has awarded COMLAB the contract for radio coverage in the Ceneri Base Tunnel.
Read moreCOMLAB is proud to offer the highly flexible and modular multiband digital repeater system MUD / RUD(19)-5.
Read moreA new railway line for Intercity Express (ICE) trains is now being built in Germany between Nuremberg and Berlin. It is known as the German Unity Transport Project 8 (VDE 8) and totals 515 km.
Read moreVienna's new main station opened in October 2014. In the near future, 1,100 trains a day will use the imposing transport facility, which includes a large shopping centre.
Read moreCOMLAB has won a call for tenders issued by Stadler Rail to equip 25 double-decker trainsets for Moscow's Aeroexpress.
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