STI Engineering Pty Ltd is a communications and electronic engineering company. We specialise in the design, development and manufacture of electronic devices and communications technology for the industrial environment. The company was incorporated in 1994. STI Engineering is the manufacturer of the RF Innovations range of licensed & license-free VHF and UHF data radios, paging transmitters and customised communications products. We offer a wide range of services from research and consulting to proof-of-concept development, detailed design and full commercial development through to low volume manufacturing or production handover.