What is Beidou-2?

Beidou-2 refers to the second generation of the Beidou Navigation Satellite System (BDS), which is developed and operated by China. This system is part of a larger initiative aimed at providing global positioning, navigation, and timing services, similar to the Global Positioning System (GPS) offered by the United States.

The Beidou system is significant as it represents China's commitment to establishing its own independent satellite navigation capacity, enhancing both its commercial and strategic capabilities in space technology. The key features of Beidou-2 include its ability to provide basic services for positioning, navigation, and timing, as well as a range of additional services such as short message communication and precise positioning services.

As for the other choices, they do not accurately describe Beidou-2. The European GNSS, known as Galileo, is distinct from Beidou and does not involve Chinese development. A satellite communication system, while relevant in the context of satellite technology, does not encapsulate the primary function of Beidou-2 as a navigation system. Lastly, Beidou does not serve merely as a regional GPS enhancement service; it is a comprehensive navigation system with global ambitions.