In this paper, u-FOS system is applied to field test in order to design the code structure based on standards and both 900MHz passive and 2.45GHz active RFID devices were used to test identification capacity in the field tests. For the stable RFID data obtainments, optimum speed of trucks and rail cars and most suitable tagging locations on them were resulted from field tests. The data obtained from ground logistics base and identified through the system is sent to u-FOS. Because the code structure is designed in the form of KKR code structure, this system can be implemented on RFID ODS network without difficulty. Therefore, we suggested the result as a guideline for corporations and government agencies to easily adopt the system.