Montreal subway TETRA installed by SMi


By Critical Comms Staff
Thursday, 18 May, 2017


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The S.M. Group International (SMi) will install a new TETRA network for the Société de transport de Montréal (STM).

The TETRA network will serve Montreal’s entire transit network and support communications between the control centre, train operators and all other personnel.

SMi and Grimard will provide the installation and system integration services, while PowerTrunk will supply the TETRA network infrastructure and radio dispatch solution.

The new network — composed of over 120 TETRA 800 MHz base stations — will ensure underground radio coverage throughout the entirety of the four subway lines, as well as across all 68 of its subway stations. The new technology will also ensure above-ground coverage across the entire territory of the Greater Montreal Area, including other areas where the STM is active, such as sections of the cities of Laval and Longueil.

To properly support all network operations the system will comprise over 50 dispatcher stations, a voice recording system and a new control centre with an interface that will be directly integrated to the STM’s existing centralised command system. Once fully deployed, the STM’s network will become the biggest TETRA infrastructure in North America.

The STM subway system is Canada’s largest and busiest underground transit system and North America’s third busiest, behind New York City and Mexico City’s own public transit networks. Montreal’s public transport has been active for over 150 years.

“SMi is one of the first companies to recognise the advantages of the TETRA technology as well as one of the first importers of the TETRA technology in North America,” SMi President and Founder Bernard Poulin said.

“Having operated in various markets throughout the world, we have had the opportunity to observe the advantages of this technology and increase our own knowledge of its capabilities.”

Image credit: ©iStockphoto.com/Joanna Sierańska

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