The article is full of nonsense, but also gives some details:

The ambassador noted that the new system will provide a capacity of 500 terabits per second—an impressive figure that is 25 times greater than the current capacity in the region.

Geopolitical tensions are creating problems we have not encountered before. However, the route through Iraq and Turkey to the Black Sea is now technically and commercially viable, making the Black Sea an extremely important digital corridor," he explained.

The cable will connect Bulgaria, Turkey, Georgia, and Ukraine, but the ambitions do not stop there.

The company is currently involved in the construction of a similar system in the Caspian Sea, which will connect Azerbaijan and Kazakhstan, creating a new digital route between Central Europe and Central Asia, bypassing risk areas.