From the article:
The Soviet made BRDM-2 (Boyevaya Razvedyvatelnaya Dozornaya Mashina 2, or Combat Reconnaissance Patrol Vehicle 2) is a four wheel amphibious reconnaissance vehicle ideally suited for East German Aufklärungs troops. The vehicle has been designed to cope with a range of terrain. In addition to being amphibious, it also has two pairs of belly wheels that can be lowered by the driver for trench crossing and has a centralised tire pressure system that is used to adjust tire pressures to suit the ground conditions.
The BRDM-2 is armed with a turret mounted 14.5mm machine-gun and coaxial 7.62mm machine-gun. This means it is capable of defending itself against other reconnaissance troops and infantry but won't be tempted to go hunting for a fight. The vehicle armour, which is composed of welded steel, protects it fully against small arms fire and small shell fragments; but doesn't protect it against big artillery fragments or heavy machine-gun fire.