Microwave sensor function: 
Microwave sensor is also called automatic door radar, is popular used in the automatic door systems, For detect the pedestrian's movement. It gives signal to the control board for opening the door. 
 
 
Technology: Microwave and microprocessor
 
Launch frequency: 24.125GHZ
 
Launch power: 20 dBm EIRP
 
Launch frequency density: 5mW/cm2
 
Assemble an altitude maximal: 3m
 
Assemble a dip angle: 15 30 45 60
 
Mounted at 2.3 meters: 4 (W) X 2 (H)