Eurasia Tunnel Gains Public-Safety Coverage from Cobham Wireless
Wednesday, June 07, 2017 | Comments

Cobham Wireless delivered a public-safety communications system for the Eurasia Tunnel, the first undersea road tunnel to connect two continents. The multiband, multitechnology coverage solution provides the emergency services communications within the 5.4-kilometer tunnel, which links two areas of Istanbul and spans both Europe and Asia.

The customized solution incorporates Cobham Wireless’ repeaters and supports UHF, VHF, FM and Digital Mobile Radio (DMR), ensuring that emergency services and operational teams can communicate at all times, throughout the tunnel, a statement said.

Cobham Wireless was awarded the contract in September 2016 and worked with systems integration partner Yapi IDiS to install the system. The deployment was completed within a tight deadline of three months and delivered in time for the official inauguration ceremony in December. The Eurasia Tunnel is now open to the public 24 hours a day, 365 days a year.

“Cobham Wireless’ public-safety solution provides a robust, reliable means of communications for Turkey’s police, fire, and disaster and emergency services,” said Dogan Ozturk, country manager, Turkey, at Cobham Wireless. “Also, as the digital off-air repeaters are software based, new features can be easily added via a remote download, making this a robust and future-proof system.”

In addition to both internal and interdepartmental communications, the deployment also features a break-in system, allowing operational teams to access the FM channel and alert drivers to safety issues via their in-car FM radios. The system includes two master sites (one active, one redundant), each containing one VHF repeater for communications between ambulance services, and one UHF repeater each for police, fire and DMR/AFAD (Istanbul’s Disaster and Emergency Management Authority) communications.

The sites include one combiner and one optical master unit and sit at either end of the tunnel, with one site providing essential backup coverage. The master sites are connected via fiber to multiple remotes sites, providing reliable communications at any point throughout the tunnel. The entire system can be overseen and controlled off-site.

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