Dragino LDDS45 LoRaWAN Ultrasonic Distance/Level Sensor
Ultrasonic Sense:
* Flat object range 3 cm – 450cm
* Blind spot distance : 0 ~ 3cm
* Cable Length : 25cm
* Reference Angle: 60°
* Accuracy: ±(1+S×0.3%) cm
* Repeatability less than 5mm