The PBS TJ40-G2 is a turbojet engine, which was designed and manufactured for UAV systems, such as target drones and decoy drones, (decoy drones are used to confuse enemy air defenses) and small reconnaissance drones. Its main advantages are its light weight of 3.8 kg and its power thrust of 395 N. This turbojet engine is a single-shaft turbine jet engine with a one-stage radial compressor, radial and axial diffuser, annular combustion chamber, one-stage axial turbine and outlet nozzle. The generator output is 200 W, and with an external converter there is an additional 900 W.