1. Main business:
China Satcom is a company mainly engaged in satellite communication services, providing satellite communication services, satellite TV live broadcast, broadband Internet access and other services. It operates and manages China's satellite communication system, including communication satellites, broadcasting satellites and related ground facilities.
Big Dipper is a company focusing on Beidou satellite navigation system. Mainly engaged in the research and development, production and sales of Beidou chips, modules, antennas and other navigation equipment, as well as providing application solutions such as navigation data and location services.
2. Technical field:
China Satcom mainly focuses on satellite communication technology, including satellite manufacturing, satellite launch, satellite operation and ground station construction. In addition, China Satcom is also involved in broadband Internet access, high-definition TV live broadcast and other fields.
General Principles of Big Dipper focuses on Beidou satellite navigation technology, providing a complete product chain from chips and modules to terminal equipment, as well as application solutions such as navigation data services and high-precision positioning. In addition, the Big Dipper is also involved in geographic information, car networking, Internet of Things and other fields.
3. Market positioning:
China Satcom mainly serves the satellite communication market, providing customers with satellite communication solutions and related services. Its customers mainly include telecom operators, radio and television media, enterprises and the government.
Big Dipper mainly serves the Beidou satellite navigation market, providing customers with navigation chips, modules, antennas and other equipment and solutions. Its customers mainly include enterprises and government departments in the fields of automobile, transportation, agriculture, surveying and mapping, and Internet of Things.
In a word, the main difference between China Satcom and Big Dipper lies in its main business, technical field and market positioning. China Satcom focuses on satellite communication business, and General Principles of Big Dipper focuses on Beidou satellite navigation system. Although they overlap in the field of satellite technology, they play different roles in their respective fields.