The Micro Systems, Inc. AN/DPN-88 IFF Transponder is being produced under contract to the U.S. Navy. The transponder is an augmentation device primarily used to assist in tracking unmanned vehicles, cruise missiles, and target drones. The transponder responds to interrogations from L-band IFF and Air Traffic Control radar. It features a modern compact design with less than 90 cubic inches (1475 cubic centimeters) volume and weighs 4.25 pounds (1.9 kilograms). It is 35% smaller than previous versions. The transponder incorporates the latest in solid state electronics design with 500 watts nominal peak power output. It features IFF/TACAN blanking and suppression, reverse polarity power lead protection, and has a built in duplexer for single antenna operation. The transponder has front panel and remote reply code selection. The transponder meets the requirements of MIL-STD-810 and will operate over the temperature range of -54° C to +71°C.