DDS45-LS LoRaWAN Ultrasonic Distance Detection Sensor

The Dragino DDS45-LS is a solar-powered LoRaWAN® ultrasonic distance detection sensor designed for accurate, non-contact measurement of distances to flat objects. With built-in temperature compensation, ultra-low power consumption, and long-range LoRaWAN connectivity, it delivers reliable performance in outdoor and industrial environments for up to 5 years. It is ideal for applications such as liquid level monitoring, parking systems, proximity detection, sewer monitoring, and automation.\

Key Features

• Ultrasonic distance detection for flat objects

• Measurement range: 30 mm – 4500 mm

• High accuracy: ±(1 cm + S × 0.3%)

• Built-in temperature compensation

• LoRaWAN® v1.0.3 Class A

• Solar panel + 3000mAh Li-ion battery

• Bluetooth v5.1 configuration & wireless OTA update

• Ultra-low power consumption

• IP66 waterproof enclosure

• AT commands & remote downlink configuration

Specifications

• Measurement Technology: Ultrasonic (non-contact)

• Measurement Range: 30 – 4500 mm

• Accuracy: ±(1 cm + S × 0.3%)

• Measurement Angle: 60°

• Cable Length: 25 cm

• Operating Voltage: 2.5 – 3.6 V

• Operating Temperature: –40 °C to +85 °C

• LoRa Frequency Bands:
  CN470 / EU433 / KR920 / US915 / EU868 / AS923 / AU915 / IN865

• Max RF Output Power: +22 dBm

• RX Sensitivity: Down to –139 dBm

• Power System: Solar panel + 3000mAh Li-ion battery

• Sleep Current: 5 µA @ 3.3 V

• Transmit Current: 125 mA @ 20 dBm

• Enclosure Rating: IP66

• Device Size: 150 × 120 × 55 mm

• Device Weight: 220 g

USER MANUAL:

DDS45-LS_User_Manual

DATA SHEET:

DDS45-LS_Datasheet

FIRMWARE:

DDS45-LS_Firmware