YUUPSK PLANAR (also known as South Ural Instrument-Making Cluster PLANAR, SUIMC PLANAR, ЮУПСК ПЛАНАР) is a group of instrument-making enterprises in the radio-electronic industry. It is engaged in the development, serial production, and implementation of amplifiers, equipment for optical data transmission, monitoring and management systems for multiservice networks, vector network analyzers, automatic calibration modules, security and remote control systems, etc.