A deployable reflector comprising an elastic reflector composed of elastic rods, a reflector tensioning frame with a deploying ring comprising an upper boom and a lower boom composed of interconnected lower rods and upper rods; and connected to the peripheral ends of the reflector tensioning frame; hingedly connected adjacent lower rods and upper rods of the upper and lower booms (28, 29) are connected to each other by space-oriented units comprising foldable rods connecting consoles to which key sheets are attached, and are connected to a reflector unit, the deploying ring is provided with an opening mechanism with an electric drive, which is a load-bearing cable, one end of which is fixed to a roller existing at the ends of the foldable rods (14, 15) of the upper boom and also the lower boom, and the other end is mounted on the electric drive and is capable of winding on a drum mounted on a drive axis; sections are composed of hingedly interconnected elastic foldable rods of the deploying ring, each of the sections also comprising crosswise intersecting pantographic levers interconnected by a cylindrical joint, an upper concave mesh and a lower convex mesh that are fastened with their peripheral units in units (38, 39) of attachment of the meshes to the upper boom and, respectively, to the lower boom of the deploying ring; flexible stanchions (46, 47) mounted between the upper and lower booms (28, 29) that are elastic rods, characterized in that scissors-like levers are located on central unit at the intersection of the crosswise intersecting pantograph levers on which sleeves are put on, which are put on from the other side on the ends of the pantograph levers; also on the ends of the upper and lower boom rods (14, 15), sleeves for putting on are disposed, on which cylindrical joints are disposed; besides, the deploying ring comprises the upper and lower foldable rods connecting means made in the form of an elastic rod that is attached by one end to an axis of the intermediate connecting cylindrical joint of the foldable rods (14, 15), and by the other end is fastened on a reel disposed on a rotary axis of the cylindrical joints that connect the intersecting pantographic levers, and is capable of winding thereon, or in the form of a tube the reel has on its wings cutouts for fixing plates that connect the foldable rods in the folded state, and, in addition, it also comprises a reflector fixing mesh with triangular cells composed of elastic rods that is fastened in the reflector units of connection of the reflecting mesh rods, and with units provided with springs at its end, together with the reflector, it is fastened in the units of attachment of meshes to the upper boom, that are attached to the projection of the spatially oriented units of the upper boom, on a shelf located above the units; besides, the upper concave mesh and the lower convex mesh are composed of triangular shape cells by the units of connection of the sides of which the upper concave mesh and lower convex mesh are connected to the reflecting mesh; and on the elastic rods of the reflector fixing mesh, when they are positioned at different levels, additional elastic rods are arranged on the reflector attachment side on the elastic rods to equalize their levels; besides, the stanchions consisting of flexible upper portions and lower portions mounted between the upper concave mesh and the lower convex mesh are provided with tensioning springs and with spring-length regulating devices mounted inside the springs, that is made in the form of a telescopic limiter; besides, the reflecting mesh is attached to intersection units of the elastic rods of the upper concave mesh directly, or in the upper concave mesh units the lower ends are fastened with a spatial shape gasket, the upper ends of which are attached to the tensioned reflector units and to the reflector fixing mesh disposed above or under it; besides, the spatial shape gasket is capable of changing the length between its lower and upper parts.