Smiths Group plc is a technology company. It has five divisions: Smiths Detection, Smiths Medical, John Crane, Smiths Interconnect and Flex-Tek. The Company and its subsidiaries develop, manufacture, sale and support advanced security equipment, including trace detection, millimeter-wave, infrared, biological detection and diagnostics; mechanical seals, seal support systems, engineered bearings, power transmission couplings and specialist filtration systems, and medical devices aligned to specific therapies, principally airway, pain and temperature management, and vascular access. It also develops, manufactures, sells and supports specialized electronic and radio frequency products for the global wireless telecommunications, aerospace, defense, space, medical, rail, test and industrial markets, and engineered components, including ducting, hose assemblies and heating elements. In May 2011, it acquired the entire issued share capital of SDBR Comercio De Equipamentos De Seguanca LTDA.