XIITIA 4pcs LD2450 Human Presence Radar Sensor Module HLK-LD2450 LD2450 Millimeter Wave Non-Contact 24GHz ISM Band Serial Port IO Level Output

["★The LD2450 is a 24 GHz radar module capable of real-time tracking of moving targets within a detection area and outputting information on the distance, angle, and speed of moving targets in the area via a serial port.","★It is primarily used in common indoor settings such as homes, offices, and hotels to track the location of moving people.","★When installing the unit on the wall, you need to take into account external factors such as air conditioners and electric fans mounted on the ceiling. the maximum tracking range is 8 meters. You should take into account potential obstructions in the application environment as well as overhead obstacles; the recommended installation height is between 1.5 and 2 meters.","★The detection zone contains non-human objects in constant motion, such as animals, curtains that are constantly fluttering, or large potted plants positioned directly in front of the air vent. The detection zone contains large, highly reflective surfaces; highly reflective objects positioned directly in front of the radar antenna can cause interference.","★If the radar requires an enclosure, the enclosure must have good wave-transmitting properties in the 24 GHz band and must not contain metal or materials that shield electromagnetic waves."]