TORONTO – TBayTel is set to upgrade its wireless infrastructure with a high speed network overlay.The independent telco has chosen Ericsson to overlay its CDMA mobile network with HSPA+ technology, a move that it says will "significantly improve" mobile users’ broadband experience by offering data rates up to 21 Mbps."TBayTel remains focused on providing Northern Ontario residents with advanced telecom solutions in an increasingly competitive and demanding marketplace”, said president and CEO Don Campbell, in the announcement. “Our unique ability to forge a critical national link with our new HSPA network has led to new strategic relationships. Now Northern Ontario...