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The Martini Hospital in Groningen – now equipped for TETRA and other radio services
To the rescue in Sweden
N
ewest users of Sweden’s nationwide TETRA network, Rakel, is the Swedish Lifeboat Institute (Sjöräddningssällskapet).
Hospital prescribes a multi- band coverage upgrade
part of a recent improvement project. Te complex consists of a renovated six-storey
A
building of some 38000m² floor area and a newly constructed building of 58000m² which houses 580 beds. In assessing its in-building wireless coverage needs, flexibility was a major consideration. While Martini Hospital was
t the Martini Hospital in Groningen, the Netherlands, an in-building radio coverage system forms an important
legally obliged to offer TETRA coverage on the national C2000 network within the buildings, managers decided to take the opportunity to include provision for a range of other services, both now and in the future. A Distributed Antenna System (DAS)
from Zinwave was chosen for the scheme, and the Zinwave 3000 system was installed and commissioned by the Dutch system integrator Radio Access. Zinwave explains that its 3000 system is
the only wideband active DAS that can carry any mixture of services between 150MHz and 2700MHz on a single hardware layer. Tis, the company says, is easier and more cost-effective for a multi-service project for which future service additions are planned. Te installation comprises 16 hubs and 121
remote units which currently carry C2000 TETRA and a private GSM1800 mobile phone network. In the future, the Martini Hospital plans to extend to a further two floors in the old building and will consider adding GSM 900 and GSM1800 coverage for three other network operators, and 3G services too. “More and more of our customers are asking
Hub of the Zinwave installation: the system can employ existing optical fibre installations in buildings to distribute any radio service within the range 150– 2700 MHz, via remote antenna units
Issue 5 2011 TE TRA TODAY
us for a wideband solution without installing thick coaxial cables in their building, and so we have deployed the Zinwave solution for numerous projects”, commented Daniel Seesink, of RadioAccess. “We feel that by providing our customers with this cutting edge technology, we are providing the very best solution for in- building wireless coverage.”
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A wholly voluntary organization which operates 64 stations around Sweden, Sjöräddningssällskapet recognized that it needed to be able to communicate with all other organizations involved in a particular incident, in order to continue to carry out its role effectively. After a thorough evaluation of the available TETRA radios, Sjöräddningssällskapet chose Sepura terminals supplied by Swedish Radio Supply (SRSAB). Its crews will be equipped with 230 high-specification STP800 hand-portable radios, plus 120 SRG3900 mobile radios, which will be installed on rescue boats. Some of the mobiles are being supplied with IP67 ingress protection, to ensure that they will withstand the extremely harsh conditions that lifeboat personnel can face. Andreas Arvidsson, senior manager at Sjöräddningssällskapet responsible for the project, said: “We chose SRSAB because they understand our requirements and can deliver a total package that includes not only terminals and their programming, but also project management and interactive training.”
Saving lives at sea: a rescue vessel of the Swedish Lifeboat Institute
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