Infrastructure
The network, rendered
Orbital shells overhead and the SEA-H2X system beneath the sea. Drag the globe to rotate it; hover routes and landing points for telemetry.
Orbital shells are stylised and not to scale. SEA-H2X system route and landing points per TeleGeography, shown as industry context.
Orbital shells
What flies where
Figures reflect the BDS-3 nominal design per the China Satellite Navigation Office; the fleet in operation is larger across generations.
35,786 km
GEO · BeiDou
Three geostationary satellites anchor regional services over Asia-Pacific, including the PPP-B2b high-precision signal.
35,786 km inclined
IGSO · BeiDou
Three inclined geosynchronous satellites trace figure-of-eight ground tracks that hold high elevation angles over the region.
21,528 km
MEO · BeiDou
Twenty-four medium Earth orbit satellites in the nominal design carry the global positioning service.
Low Earth orbit
LEO · IoT
Narrowband IoT shells such as Tianqi serve low-power devices far beyond terrestrial coverage.
Subsea
SEA-H2X landing points
Five landing points connect ASEAN with Hong Kong and Hainan, per TeleGeography's submarine cable database, shown here as industry context.