COMLAB AG Wins Major Order in Germany

COMLAB AG has won the tender for outfitting approximately 400 Deutsche Bahn trains with a mobile telecommunications system.

COMLAB AG is equipping approximately 400 trains and 3,800 carriages owned by Deutsche Bahn (DB) with a high quality and modular InTrain mobile telecommunications repeater system. The repeater system satisfies the strict requirements of both the mobile telecommunications network operators and the DB, and sets new standards. Around 1,200 of the carriages belong to the ICE 4 fleet, the latest generation of Intercity Express high speed trains, and some of them are double-decker carriages.

COMLAB AG wins Germany order

ICE4 High Speed Train © Deutsche Bahn AG

The InTrain Repeater System from COMLAB AG supplies train passengers travelling on the DB with 2G, 3G and 4G signals from the mobile telecommunications operators Deutsche Telecom, Telefonica and Vodafone. The top priority with this comprehensive project is to increase the levels of passenger satisfaction. Passengers, and especially business travellers using the DB, expect high quality mobile telecommunications when they travel. This means perfect voice quality and straightforward data transmission.

To guarantee this service, the InTrain Repeaters from COMLAB are designed especially for the sophisticated requirements of high speed trains. On the one hand, the repeaters compensate for the high levels of signal loss which are caused due to the high isolation levels in modern trains. On the other hand, they compensate for the extreme variations in the signal levels which are caused by the rapid forwards motion of the trains and the forwarding of one network cell to the next, and enable the maintaining of an excellent level of radio communication in the trains.

With this prestigious project, the Swiss company has succeeded in winning a major contract.

Swiss company COMLAB AG has specialised in high frequency technology for 40 years. As market leaders in the railways sector, we develop and manufacture telecommunications solutions for tunnel and InTrain use. Our customers include leading railway companies, train and tunnel construction companies as well as mobile telecommunications operators. With branches in Germany and China and our global co-operation with a wide range of partners, with approximately 250 employees, we are able to respond effectively to the requirements of our customers all over the world.

COMLAB makes targeted investments in the development of innovative and high quality products and sets considerable store on individual and competent consultations.

Contact COMLAB AG

Use the form opposite to get in touch with COMLAB AG directly to discuss any requirements you might have.






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Railway Communication Systems

The Swiss company COMLAB has been a specialist in high-frequency technology in the railway sector for 40 years, and develops, manufactures, sells and installs ready-to-use railway 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. [gallery ids="12847,12846"]

Wireless Coverage for Railway Applications

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 railway 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.

Railway and Metro Tunnel Repeater System

Radio systems for railway tunnels are extremely complex. Whether it is the train staff, the emergency services personnel or the train passengers, everyone needs to be supplied with mobile communications. This means that multiple radio networks are required to operate alongside each other. [gallery ids="12845,12844"]
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. Possible combinations of communications systems: Your benefits with COMLAB railway and metro tunnel repeater solution: Product Portfolio Single band GSM-R repeater Multi band repeater Off-air, air-link and fiber optic repeater components Radio cable systems (leaky feeder cables and antennas)

InTrain Repeater Solution

Train passengers and business travellers in particular expect excellent mobile reception. This includes the perfect voice quality, no dropped calls and easy data transmission. [gallery ids="12842,12843"]
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. With the operator-specific and automatic gain-trailing, the COMLAB repeater system manages the rapidly changing outdoor signal levels of the various networks, and ensures an even and strong level of reception within the train. Even while travelling from one country to another, it still provides gapless coverage. Your benefits with COMLAB InTrain repeater solution: Product Portfolio Multi band repeater Off-air repeater components Radio cable systems (leaky feeder cable and antenna)

Radio Coverage for Railway Networks

The RUD-5 has been designed in order to extend radio coverage in various radio networks. Available as a fiber optical repeater or an off-air repeater, it is suited to numerous areas of use.

Features and benefits:

-Multi-band and multiple operator system -Up to five independent frequency bands -Multiple operator and multiple technology support in each band -Each band features up to 16 sub-bands and 16 providers -Bandwidth ranging from 50 to 2700 MHz -All technologies merged onto one platform -Best available data throughput -Channel or band selective -No interferences, only desired signals amplified -Operator specific automatic gain trailing and control -Highly modular and expandable -Flexible system upgrade -Easy module exchange -Easy operator specific re-farming of frequency bands
Outdoor: -Single band housing -Three band housing -Five band housing Indoor / InTrain: -19’’ Rack (RUD19-5) -High or medium power class -Redundant Power Supply Module (PSM) -Redundant Fiber Optic Module (FOM) -Automatic gain-trailing and control -Echo cancellation -Isolation measurement (Automatic measurement) -Oscillation detection -Spectrum scan -PIM detection -Frequency Shift -External alarm -Polygon-based settings -Web-based operation and maintenance system (COSweb) -Integrated GPS for geo-switching and localization -Mass software upgrades

Supported Technologies

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