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Dragino D20-LS Solar LoRaWAN Waterproof Temperature Sensor

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₹ 7,300.00
Dragino D20-LS Solar LoRaWAN Waterproof Temperature Sensor
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  3. Dragino D20-LS Solar LoRaWAN Waterproof Temperature Sensor
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Dragino D20-LS Solar LoRaWAN Waterproof Temperature Sensor

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Dragino D20-LS is a solar-powered LoRaWAN® waterproof temperature sensor designed for long-term outdoor, industrial, cold-chain and remote temperature monitoring applications. It uses a 2-meter DS18B20 temperature probe with a measurement range of -55°C to 125°C and supports configurable temperature alarms for automated monitoring. The D20-LS supports LoRaWAN 1.0.3 Class A communication, Bluetooth 5.1 configuration, LoRaWAN remote configuration and wireless OTA firmware updates. Powered by a solar panel with a rechargeable Li-ion battery and available with an IN865 frequency option, it is well suited for continuous temperature monitoring deployments in India where long-term field operation is required.

₹ 7,300.00 7300.0 INR ₹ 7,300.00

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  • LoRaWAN® 1.0.3 Class A compliant
  • 1 × DS18B20 temperature probe (2 meters cable)
  • Wide measurement range: -55°C to +125°C
  • High accuracy ±0.5°C (max ±2.0°C)
  • Solar powered + 3000mAh Li-ion battery (D20-LS)
  • Ultra-low power consumption
  • IP66 waterproof outdoor enclosure
  • Temperature alarm support
  • Built-in datalog function (offline data storage)
  • Bluetooth v5.1 configuration
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware upgrade
  • Periodic uplink reporting

Common Electrical Characteristics

  • Supply Voltage: Built-in battery (2.5V ~ 3.6V)
  • Operating Temperature: -40°C to 85°C

Temperature Sensor

  • Sensor Model: Dallas DS18B20
  • Cable Length: 2 meters
  • Measurement Range: -55°C to +125°C
  • Accuracy: ±0.5°C (max ±2.0°C)

LoRa Specifications

  • Protocol: LoRaWAN® 1.0.3 Class A
  • Frequency Bands:  IN865
  • Frequency Range (HF): 862 ~ 1020 MHz
  • Max RF Output: +22 dBm
  • RX Sensitivity: Down to -139 dBm
  • Excellent blocking immunity

Power (D20-LS Variant)

  • Solar Panel + 3000mAh Li-ion rechargeable battery
  • Designed for long-term outdoor deployment
  • Up to 5 years operational lifespan (based on usage settings)

Power Consumption

  • Sleep Mode: 5µA @ 3.3V
  • LoRa Transmit Mode: 125mA @ 20dBm / 82mA @ 14dBm

Mechanical

  • Enclosure Rating: IP66 Waterproof
  • Device Size: 120 × 55 × 200 mm
  • Device Weight: 372 g

The Dragino D20-LS is ideal for:

  • Industrial temperature monitoring
  • Cold storage and refrigeration units
  • Agricultural field monitoring
  • Water treatment plants
  • Solar-powered remote sites
  • Warehouses and logistics hubs
  • Smart campuses and infrastructure projects
  • Outdoor environmental monitoring

Its solar-powered design makes it especially suitable for remote installations where battery replacement is difficult.

The D20-LB uses an 8500mAh Li/SOCI2 non-rechargeable battery, while the D20-LS is solar-powered with a 3000mAh Li-ion rechargeable battery for long-term outdoor deployment.

Yes, it supports the IN865 band, making it suitable for LoRaWAN® deployments across India.

Yes, it supports a datalog feature that stores temperature readings during network outages and automatically uploads them once the connection is restored.

Documents

User Manual
 Download

D20-LS_Datasheet

Download

D20-LS_Firmware 

Download

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