Function

Engineers can construct a single camera or radar dish. The camera will reveal enemy infantry on the mini-map and the radar dish will reveal enemy vehicles and structures. Also, the enemy units will have an orange diamond drawn around them on your HUD if they are in the Surveillance Equipment area of effect. You will be able to see it even from behind terrain and obstacles. When a engineer reaches the rank of Staff Sergeant They are able to build a second piece of Surveillance Equipment

Tip: It is possible to destroy Surveillance Equipment using small arms fire -- which includes bullets and melee attacks.