The tool, which is able to cut lines at depths of up to 4,000 metres (13,123 feet) – twice the maximum operational range of existing subsea communication infrastructure – has been designed specifically for integration with China’s advanced crewed and uncrewed submersibles like the Fendouzhe, or Striver, and the Haidou series.
Operational depth is essentially the same as the claimed operational depth that oceangate sub that popped the other year. I have a lot more confidence that these things will actually work when China does it instead of some incompetent millionaire/billionaire.