For broad sweep, short-range protection against heavy assault vehicles. This is the staple of Nod's base defense, so be sure to have several of these around your base entrances. Fire-power wise, they are the equivalent of a medium tank's cannon—without the mobility. - Command & Conquer (1995) manual
It was a 105 mm AP cannon mounted on a concrete pedestal with a 360 degree fire zone, designed to compensate GDI's armour advantage.