THPB UAV is a series of Chinese UAV developed by Tonghua Police Bureau (THPB, 通化市公安局) and has entered service with local law enforcement. As of 2014, a total of three types of UAV have been developed, and all of them are Tongfei (通飞) series, all of which are equipped with satellite navigation.
THPB UAV Wikipedia
The first model of Tongfei series is Tongfei 1, which is the smallest UAV of three. Tongfei 1 is a quadcopter with a pair of skids as landing gear, and it is a light weight UAV with the entire system being able to be carried and deployed by a single person. Tongfei 1 is mainly used as in reconnaissance missions. Tongfei 1 is capable of auotonomously flight and automatically landing.
Tongfei 2 is the second model of Tongfei series, and it is a large hexacopter with a pair of skids of landing gear. An unusual feature of Tongfei 2 that is not present on most hexacopters in the world is that all of its rotors are protected by having circular rails around every rotor. Tongfei 2 is capable of operating in wind scale 5 weather, and in addition to surveillance, Tongfei 2 can be used to drop emergency relief supplies in disaster relief efforts or as an aerial weaponry platform to launch non-lethal weapons such as tear gas.
Tongfei 3 is the third model of Tongfei series, and it is the first fixed-wing UAV developed by THPB. Tongfei 3 is in conventional aircraft layout with high wing configuration and a pair of skids as landing gear. Propulsion is provided by a propeller driven pusher engine mounted behind the main wing. Tongfei 3 is mainly intended for aerial surveillance missions, and payload is mounted above the nose of the fuselage. Specification:Endurance (hr): 1
Range (km): 60