Lesya Leshchenko15:58, 28.11.24
“Fly-in” is used by the enemy to detect air targets at low and extremely low altitudes.

On November 28, as a result of a successful operation by the Main Intelligence Directorate of the Ministry of Defense of Ukraine, the Russian radar complex “Podlet” was destroyed on the territory of the temporarily occupied Crimea . This was reported by the press service of the Main Intelligence Directorate.
“The 48Ya6-K1 Podlet mobile radar is used by the enemy to detect air targets at low and extremely low altitudes in a complex jamming environment,” the statement said.
The intelligence service emphasized that the estimated cost of the destroyed enemy radar complex “Podlet”, intended, in particular, to provide target designations for the S-300 and S-400 air defense systems, is 5 million dollars.
(C)UNIAN 2024

It appears this system is as effective as the S400 at detecting any threats.
Then radar and missiles go together quite well.
It is commonly known as junk.