ZX 9B or ChinaSat 9B is a Chinese direct broadcasting satellite operated by CASC subsidiary China Satcom.
ZX 9B will provide live broadcast services, support 4K and 8K high-definition video program transmission using a specially designed 54 MHz bandwidth transponder, and provide high-quality live broadcast transmission services for large-scale events.
The satellite is based on the DFH-4E, an enhanced version of the established DFH-4 platform developed by China Academy of Space Technology (CAST), a major satellite manufacturing arm of CASC. The DFH-4E has a mass of around 5,500 kilograms and features hybrid electric- and chemical-propulsion. It will also provide communication services for emergency rescue and disaster relief.
