The Visonic portfolio consists of advanced wireless technology for the security industry, including wireless communications technologies that offer increased range and secure communications. These technologies are in use in more than 1 million wireless installations around the world.

"The addition of Visonic to the Tyco Security Products portfolio advances our strategy to provide our global customer base with broad-based, best-in-class security solutions," said Mark VanDover, President of Tyco Security Products. "The company's technological capabilities and strong presence in markets such as Europe enable us to further enhance the solutions and reach of our intrusion security portfolio."

The Visonic business, which has annualised revenues of more $75 million, will be integrated into Tyco's Security Products unit, a leading global provider of access control, video and intrusion solutions.