The TETRA World Congress 2009 was attended by over 2500 members of the TETRA community including:

• Chief Inspectors, Communications Officers, Chief Fire Officers and Head of Communications from the Emergency Services - Police, Fire, Ambulance
• Radio Engineers, Product Managers, Communications Officers and Network Directors from Government, Oil & Gas, Stadiums, Transport & Utilities.
• Business Development Managers, Managing Directors and those consulting for TETRA from Manufacturers.
• Product Managers, Radio Engineers and Sales Managers from Operators, Application Developers & System Integrators.