Can telecom cell phone signals be used in Beihai?

Telecom cell phone signals can be used in Beihai. Beihai, also known as Zhucheng, is a prefecture-level city in Guangxi Zhuang Autonomous Region. China Telecom has basically achieved full coverage. There is a signal in the North Sea, and the North Sea can use the telecom mobile phone signal. Beihai is an important node city of Beibu Gulf Urban Agglomeration and Guangxi Beibu Gulf Economic Zone. Beihai is an important port of origin of the ancient Maritime Silk Road, one of the earliest foreign trade ports in China, and one of the main commodity distribution centers for overseas trade in Yunnan, Guizhou, Sichuan, Guangxi, Hunan, Hubei and other provinces.