The Volta is a Stealth Supremo that releases an EMP wave, knocking enemies down and forcing drivers out of their vehicles. It is the easy way to steal a tank.
Trigger El Impulso and everything electronic around you shuts down. Soldiers on foot are thrown back, vehicles stall, and alarm boxes break so nobody can call for help.
Yes if you like hijacking FND armor. Compared with the Zeusito, it hits many vehicles at once without aiming, but its range is short. Against helicopters, climb a hill or building first.
Finish the story operation Libertad Rises, then buy it from Juan for Depleted Uranium.