Turkey is a NATO member, and its negotiations for the purchase of the Russian system have raised concerns with allies who say the country should invest in technology that is compatible with theirs.
The radar-based, portable OKIS system features two main components: a transponder and antenna on the platform; and a ground radar system designed to ensure safe takeoff and landing.
Turkey is seeking to build a national framework that would incorporate all future anti-cyber activity and programs, a senior procurement official said.