The 2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT2018) will be held at the Rendezvous Hotel, in Melbourne, Australia from August 15-17, 2018. This conference is sponsored by the IEEE Microwave Theory and Techniques Society. RFIT is a focused yet interdisciplinary advanced forum for microwave and microelectronics. It provides a forum for the integrated circuit and RF technology communities to meet and present the latest developments in integrated circuit design, technology and system integration, with emphasis on wireless communication systems and emerging applications such as biology and healthcare, as well as emerging THz and 3D integration technologies.