I don't know about that. Nothing stops them from banning the sales of the ground station equipment.

It's probably not that difficult to manufacture and there will be a black market for the tech.

The situation when the Internet is a black market thing is a huge victory for the Russian authoritarian state.

They can afford to have 15% of the population with access to information and what not on the black market. The course of the country will be dictated by the beliefs of the other 85%, which will all buy into the 1000s of kaleidoscopic realities readily manufactured by Surkov & Co, and will all support every single action of the government.