LLC Research and development company "Radio engineering systems" — RTS Group's main instrument-making company, a leading developer and manufacturer of aircraft navigation and landing systems. High-tech ground radio equipment of the new generation was created by LLC Research and Development Company "Radio engineering systems" to upgrade the technical equipment of airports of local and main airlines in Russia. LLC Research and development company "Radio engineering systems" has developed an instrumental landing system ILS 734 with a rangefinder radio beacon DME 734, certified under category III. It allows to provide landing of equipped aircraft with visibility on the runway not less than 50 meters and the height of decision making not less than 15 meters. LLC Research and development company "Radio engineering systems" also provides services on repair and maintenance of airport equipment: ground adjustment of navigation and landing systems of various types, participation in ground and flight checks.

Recent contracts: an instrumental landing system has been installed at Shirak Airport (Armenia); construction and installation work is under way at the radio and light-signal facilities of Balandino Airport Complex (Chelyabinsk).

The R&D division of RTS Group, Kursir Company, established for scientific and practical research, is actively developing advanced measuring instruments and technologies based on unmanned aerial vehicles. President of the Skolkovo Innovation Centre. The RTS Group also includes a certified metrology service and service department.