TELCON RF PHARMACEUTICAL. Inc. primarily engages in the development, production, and sale of RF coaxial connectors worldwide. It also provides coaxial couplers, distributors, and arresters, as well as cable assemblies; and pharmaceuticals. The company was formerly known as Telcon Co., Ltd. TELCON RF PHARMACEUTICAL. Inc. was founded in 1999 and is headquartered in Yongin-si, South Korea.