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Radio Frequency components used in the Wi-Fi hotspot on the Fan Mile in Berlin

September saw the start of the pilot phase of a public gigabit Wi-Fi access point on the famous Fan Mile in Berlin, Germany. HUBER+SUHNER is providing Wi-Fi antennas and coaxial cables, thus playing its part in enabling users in the area to surf, chat and stream for free for 30 minutes.

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InnoTrans 2018
InnoTrans 2018

InnoTrans is the leading international trade fair for transport technology and takes places every two years in Berlin.
A unique feature of InnoTrans is its outdoor and track display area, where everything from tank wagons to high-speed trains are displayed on 3 500 metres of track.

18/9/2018 - 21/9/2018
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Wireless device connections

Wireless device connections
Application area
HUBER+SUHNER can supply components for various wireless connections in trains. These are essentially the following:
  1. Wi-Fi for passengers and staff
  2. Mobile communication repeater systems
  3. Carriage bridging wireless data transmission

1. Wi-Fi for passengers and staff

A wireless network for passengers and staff can be used for a range of applications. The possible examples include on-board ticketing, timetable information, Internet for passengers, etc.

Multiple antennas per access point provide wireless coverage in the train. The main criteria when selecting antennas are the restricted positions available or the desire to provide coverage in certain parts of the train, as well as the demand for the latest MIMO technology.

Solution
  • A wide range of compact omni-directional and directional antennas for various installation situations
  • Including various connectors and installation methods
  • Use of multiple input multiple output technology for higher data rates and greater stability of the wireless network

2. Mobile communication repeater systems

Telephone coverage without dead spots, Internet access using 4G mobile communication, high data transmission rates, national and international network coverage passengers expect all of these today. The direct use of mobile communication networks in trains presents a problem since the design of railway carriages tends to cause significant attenuation of radio waves. The installation of repeater systems with the latest LTE technology now makes it possible to provide fast, reliable mobile communication inside the train.

The mobile communication signal is strengthened from the roof antenna using a repeater and distributed to antennas or emitting cables using cables and splitters.

Solution
Halogen-free RF cables - developed for the railway market:
  • Thin, flexible jumper cables for tight radii
  • Low-attenuation feeder cables for larger distances

MIMO technology for interior and exterior antennas


3. Carriage bridging wireless data transmission

Data can be transmitted between carriages using antennas rather than cables. This means lower installation and maintenance costs, particularly for retrofitting. Less effort is also required to couple and uncouple the carriage.

The signal is often transmitted from carriage to carriage using Wi-Fi standard 802.11 a/n in the 5 GHz frequency band. This is mainly done to avoid problems between the various communication standards within a train. MIMO antennas also allow larger data volumes to be transmitted.

Solution
  • Space-saving directional antennas which can be fitted to the interior of the carriage using a range of installation methods.
  • Dust and waterproofed according to IP67 means they are also suitable for outside installation.

Related Products

Antennas for Connected Mobility

HUBER+SUHNER develops and produces robust, small form factor antennas for various industrial applications.

In-Carriage Antennas Omni S

In-Carriage Antennas Omni S

Vandalism-proof omni-directional antenna for outdoor and indoor applications. The product can be configured to specific needs.

Carriage bridging antennas

Carriage bridging antennas

Small, directional medium gain WLAN / WiFi / ISM / DECT / cellular band antenna. Variants available optimised for harsh industrial, railway or indoor environment.

Linking of train coaches using antennas instead of cables reduces the service requirement when disconnecting coaches. These antennas must resist adverse environmental conditions. Wireless bridging is usually based on WiFi communication standards.

Features:

  • Directional outdoor antennas for WiFi applications
  • Inter-carriage link/wireless-bridge scenarios
  • Extremely rugged design
  • meets EN 50155 railway standard
  • Fire retardant according to DIN 5540-2, BS 6853, NF-F16-101/102, EN45545-2

In-carriage Spot S antennas 

In-carriage Spot S antennas 

Small, directional medium gain WLAN / WiFi / ISM / DECT / cellular band antenna. Variants available optimised for harsh industrial, railway or indoor environment.

For in-carriage applications, passenger safety is the main criterion. Besides offering high performance, our products are also fire retardant and use low toxicity materials (in accordance with NF-F-16-101 and 102, DIN 5510-2, BS 6853 and EN 45545-2).
Omni-directional as well as directional antennas are available in small form factors with different colours, connectors and mounting options.

Features:

  • Rugged design
  • EN 50155 railway standard
  • Grounding designed in accordance with UIC 533
  • DC-grounded antenna element

Radio frequency cables

Some products cannot be allocated in any of the three main lines. They are consolidated in the speciality cable line. It includes special designs like odd impedance, twinax or triax cables. A selection of low-noise coax and triax cables is also available. Cables with special qualification, for instance in accordance with railway norms like EN 45545 or in accordance with UL are also listed in this section.

RF railway cables

RF railway cables

RADOX® RF coax cables are specifically developed for the rail market and are fully compliant with the European rail norm EN45545. Standard RG types can be replaced by RADOX® RF cables from a dimensional point of view while being low smoke and flame resistant due to the RADOX® jacket material. Additional coax railway cables are also available with extra low loss designs.

Contact
HUBER+SUHNER Inc.
Customer Service
Customer Service
  +1 866 482 3778
  +1 704 587 1238