The group's principal activities are the provision of full range semiconductor test and assembly services to fabless companies, vertically integrated device manufacturers (IDMS) and foundries. Test services offers a wafer probe and final testing on many different platforms such as mixed-signal testing of network routers, switches and interface cards; broadband products such as cable set-top boxes and wireless telecommunications products - cellular phones, base stations and bluetooth (TM) devices; and computer components and audio devices. Assembly services offers packaging solutions and full backend turnkey services plus a complete package design, electrical and thermal simulation, measurement and design of lead frames and substrates. The group has operations in Singapore, the United States of America, Japan, Germany and the United Kingdom.