Powered by three 4,000 hp diesel engines that drive three propellers, Anirban has a maximum speed of 35 knots (65 km/h; 40 mph). She has a range of 800 nautical miles (1,500 km; 920 mi) at 30 knots (56 km/h; 35 mph).[1]
The ship's armament consists of four C-704 anti-ship missiles and two AK-230 twin 30 mm guns, mounted on the bow and stern. She is equipped with one Type 352 Square Tie radar for surface search.[1][2][3]
Anirban was commissioned into the Bangladesh Navy on 1 June 1992.[citation needed] In 2010, the ship was upgraded with modern C-704 replacing old SY-1 missiles as mid-life upgradation.