According to the information of China Railway Network, Haikou Locomotive Ferry Section of China Railway Guangzhou Bureau Group Co., Ltd. cooperated with related enterprises and introduced the newly developed high-performance satellite communication terminal equipment, so the signal appeared.

Qiongzhou Strait is located between Leizhou Peninsula and Hainan Island in Guangdong Province, China. It is one of the three major straits in China, bordering Guangdong Sea in the South China Sea in the east and Beibu Gulf in the west.