RADICO VIEWE is an application program that displays and stores the radiation output information transmitted from RADICO-II to a smartphone using Bluetooth wireless communication in graphs and tables.RADICO-II is a portable radiation/activity meter that can simultaneously measure the air dose rate and surface radioactive contamination in radiation control areas and radiation handling areas in nuclear power plants, hospitals, and accelerator facilities. It provides various high-tech functions required in the measurement field, such as wireless data transmission, application program, and distance measurement.