OSI Systems, Inc. has announced that it has received a contract from Avalon Airport in Australia to provide its Rapiscan®920CT checkpoint system with an integrated Tray Return System (TRS™), Metor® 6S High Sensitivity Metal Detector and Itemiser® 4DX Explosive Trace Detection systems. The company’s products are expected to support Avalon’s expansion effort to become an international airport by December 2018.