The TEA-2 terrestrial cable system is an upgraded cable system of the TEA, connecting major cities in Europe and Hong Kong, Beijing, etc, across Russia via RosTelecom's state-of-the-air terrestrial cable system and connecting to backbones of either China Unicom or China Telecom at the China-Russia Border in Heihe.

The TEA-2 cable system forms an affordable and stable Eurasia broadband internet infrastructure.