This system is called Meadowlands and was developed by L3 Harris Technologies. It is a portable system intended to jam the electronic space equipment of China and Russia.
They are designed to be portable and usable in other countries.
This will protect US satellites since the other two superpowers have equipment that can attack them.
The US has ordered 30 units. Their delivery is estimated to begin within 2024.
It works by emitting energy to be able to jam enemy systems.
[Source: http://www.interestingengineering.com]
