BURNABY – Sales in the first quarter of 2007 increased 15%, to $42.8 million compared to the same period of 2006 at retailer Glentel. The company operates the Wireless Wave and Tbooth/La Cabine T stores across the country. Margins are still thin as operating income before interest and taxes increased to $430,000 for the first quarter of 2007 compared to $1,000 in 2006. Net income for the quarter was $221,000, compared to $17,000 in Q1 '06. www.glentel.com