· After earthquakes, floods, ice and snow natural disasters, ground communications are paralyzed on a large scale, and satellite mobile communications have become an effective communication guarantee means to ensure the smooth progress of emergency rescue and disaster relief work;

·  After social stability incidents cause local ground communications to be interrupted, satellite mobile communications can provide strong communication support means for social stability maintenance;

·  Marine communication: Ships without ground communication networks provide services, and satellite mobile communication is a means of maritime communication such as fishing boats, passenger and cargo ships, scientific research ships, etc.;

·  Field operations: Most of the field operations areas in the oil, water conservancy, surveying and mapping, transportation construction (railway, highway), environmental protection, minerals, meteorology, forestry, nature protection and other industries cannot cover the field operations.