The Nanjing Metro is the metro system serving Nanjing, the capital of Jiangsu Province, China. TETRA solution provides voice and data services to staff operating Nanjing Metro's urban rail system.
The capital of China is covered by a secure communications network, operated by JustTop company. This network is the biggest city-wide TETRA network in the world and it serves 110,000 authority users in Beijing.
Guangzhou Metro is the metro system of the city of Guangzhou in the Guangdong Province of China. Airbus has provided a secure TETRA communication system, which has been in operation since September 2005 for its metro lines 1, 2, 4, and 8.
Handling around 1,800 flights daily, Beijing Capital International Airport is the world’s second largest airport, as well as the busiest. Important user organization of TETRA network include Beijing Capital International Airport Co. Ltd, North China Air Administration, Air China and China Southern Airlines, among others.