BAI Canada is part of a group of global experts that design, build, operate, maintain and own underground communication networks.

This is our core business.

BAI Canada is an industry leader in scalable and interoperable communications infrastructure solutions for public, retail and enterprise use. BAI Canada has built one of the most robust, high quality wireless and wireline networks here in Toronto for the TTC and its riders.

BAI Canada owns and operates the wireless and wireline communications network and functions as a single point of contact for all of Toronto’s licensed Wireless Service Providers to extend their cellular services to the TTC’s 1.7 million subway riders daily. BAI Canada’s wireless communications and Wi-Fi network brings connectivity to more than 75 subway stations, 79 platforms, all mezzanines, walkways, passageways and stairs throughout the Toronto transit system.

December 2012

20 year (+5 year renewal) TTC contract awarded to BAI Canada. Read more

December 2013

Commercial launch of prototype stations at Bloor-Yonge and St. George. Ad-supported public Wi-Fi network accommodates nearly 25% of daily system entrances. Read more

February 2014

Prototype stations approved and construction begins in downtown Toronto ‘lower U’ stations. Read more

December 2014

Downtown Yonge line completed to Union station. Read more

March 2015

Downtown ‘lower U’ on Yonge-University-Spadina (YUS) line completed prior to the 2015 Pan-Am Games. Read more

June 2015

First cellular carrier, WIND Mobile, signs on to provide cellular service in the Toronto subway. Read more

December 2015

Four additional stations added on Bloor-Danforth line, including: Sherbourne, Castle Frank, Christie and Bathurst. Read more

March 2016

Seven more subway stations launched, including: Dupont, Keele, Old Mill, High Park, Lansdowne, Ossington and Main Street stations. Read more

October 2016

TCONNECT Wi-Fi expanded rapidly to become active at over 40+ stations! Including: Eglinton, Glencairn, Jane, Dufferin, North York Centre, St. Clair West, Wilson Broadview, Lawrence West, Downsview, Summerhill and Runnymede stations. Read more

September 2017

TCONNECT Wi-Fi is now available throughout all TTC subway stations encompassing all four main transit lines
Read more

December 2017

BAI Canada has completed its installation of cellular connectivity infrastructure that meets the highest industry standards in all subway platforms and is continuing its work to expand cellular service to subway tunnels. Read more

In addition, a full array of fibre-based services and capabilities is available for BAI Canada’s enterprise customers. A high-capacity fibre ring will form the backbone for a number of modernization opportunities to utilize BAI Canada’s unique infrastructure for multi-tenancy connectivity.

This includes online transmission services for the TTC’s fare payment system, connectivity for the TTC’s platform-level digital information screens and an integrated public Wi-Fi network within Union Station’s regional transit concourse. BAI Canada also extends wireless services to retail, enterprise and private entities, with applications in a host of other connectivity initiatives.


BAI Canada is a subsidiary of BAI Communications (BAI). BAI designs, builds and operates highly accessible communications networks – broadcast, radio, cellular, Wi-Fi and digital – for customers across North America, Australia and Asia. Another BAI subsidiary, Radio Frequency Engineering (RFE), has deployed state-of-the-art wireless technologies for key customers including Hong Kong’s MTR Corporation, Singapore’s SMRT Corporation, Thailand’s Bangkok Metro Public Company Limited and Taiwan’s Taipei Rapid Transit Corporation.

Closer to home, the Transit Wireless team continues to work with one of the world’s largest and busiest subway systems, the New York MTA. Upon completion, this project will achieve wireless network connectivity to more than five million NYC subway riders each day.