The Hainan to Hong Kong Express (H2HE) submarine cable is a high-speed fiber optic cable that connects Hainan, China to Hong Kong. The cable is approximately 240 kilometers in length and has a capacity of 24 terabits per second.
The H2HE cable was jointly constructed and is operated by China Mobile International, China Telecom Global, and China Unicom Global. The cable was completed in 2018 and officially opened for service in December of that year.
The H2HE cable is designed to meet the growing demand for high-speed internet and data connectivity between Hainan and Hong Kong. It provides a reliable and secure connection for businesses and individuals in both regions, enabling faster and more efficient communication, data transfer, and other online activities.
The H2HE cable is an important part of the digital infrastructure of both Hainan and Hong Kong, and is expected to support the growth of various industries, including finance, e-commerce, and tourism. It is also expected to help promote cross-border cooperation and strengthen the economic ties between the two regions.