The SZ-7 MODULE, also known as Shenzhou 7 Guidao Cang, is an orbital module from China's Shenzhou 7 mission, launched on September 25, 2008, from the Jiuquan Satellite Launch Center using the Chang Zheng 2F launch vehicle. The satellite has dimensions of 2.3 meters in length and 2.8 meters in diameter with a span of 4.3 meters and weighs 1700 kg at both dry mass and launch mass. It was manufactured by CAST (China Academy of Space Technology) under the ownership of CMSEO (China Manned Space Engineering Office). The satellite has a cylindrical shape with two panels, an RCS value of 3.0674, but details on its mission, purpose, power source, and specific equipment are not provided in the data.