3Pcs 5.8GHZ Microwave Radar Sensor Module Smart Sensoring Switch 6-9M Home Control

Description It uses Doppler radar technology with auto sensing capabilities to control other product High sensitivity sensor distance reliability wide angle sensor Wide supply voltage range and other characteristics Widely used in lighting situations anti theft alarm situations Features 1 microwave sensors using planar antenna and receiving for echo 2 The switch is active sensors 3 The sensors emit a high frequency electromagnetic waves and receives their for echo 4 The sensors detect changes within for echo 5 The sensors detect tiny movement in detect range 6 Send signal to MCU and execution instruction 7 Signals are likely to be detected through the door glass and thin walls 8 It will get best probe result if person or object when moving toward the sensor 9 This product is a strong anti jamming capability almost without wind heat and other environmental factors foreign interferenceParameter 1 working voltage 3 3 20VDC 2 standby quiescent current 3mA 3 transmit power 2mW 4 the working environment temperature 20 80 Centigrade 5 Trigger Repeat Trigger default 6 the output signal TTL level high 3 3V Low 0V 7 detection angle 360掳 spherical no dead ends 8 detection range 3 8 meters the default setting about 7 meters9 the working delay 1 second to hundreds of seconds the default setting 30S Usage notice 1 It is better away from wall about 3 4 meter against get sensor from another side of wall 2 Open areas more responsiveApplication 1 Se