According to Gerschenkron (1962), the industrialization of relative backward countries was characterized in a systematically varying fashion by sudden spurts. With respect to the technological loaming, its globalization, and the subsequent development of technological capability, Korea, a catching-up nation had some experiences of identifiable discontinuities in her technological development in various industries. This study examines a developmental path of technological catching-up in Korean mobile telecommunication, especially CDMA industry and argues that investment and networking capability play an infrastructural role in accumulating her technological capability. Note that the technological experiences in high-tech industries have made Korea take a different technological path with respect to the previous industrialization. For this purpose, it proposes an analytical framework for examining a developmental path of Korean catching-up players. In addition, it analyzes the case of the Korean mobile telecommunication industry on the basis of the framework, and identifies a developmental path from the case analysis.