Samji Electronics Co., Ltd. specializes in the development and manufacturing of advanced electronic and wireless communication systems. Established on July 24, 1981, the company maintains its primary operations in Hwaseong-si, South Korea. It manages diverse business areas, encompassing communication, network, energy solutions, and additional ventures. The Communication and Network Equipment segment focuses on wireless communication devices such as optical and RF repeaters, in-building systems, and small cell solutions, alongside providing infrastructure installation and maintenance services. This includes the deployment of 5G multi-band optical repeaters for major carriers like LG U+ and ORAN RU devices for Japanese telecom operators. The Information Display and Gaming Terminals division offers Operation Information Display Devices (OIDD) and various gaming terminals, including specialized lottery terminals with scanner functions. Its Energy Solutions business now concentrates on energy storage systems (ESS), power conversion systems, and the ongoing maintenance of secondary batteries, following the divestment of its battery equipment manufacturing unit in 2022. Furthermore, the company engages in other activities, including real estate leasing. Samji Electronics achieved significant financial performance, reporting an annual revenue of 3.36 trillion KRW in 2024. The company was listed on KOSDAQ in December 1999 and continues to emphasize innovation and research in its core sectors.