DRAGINO - Solar-powered 2-probe LoRaWan waterproof temperature sensor

Dragino D22-LS Temperature Sensor

The Dragino D22-LS is a stand-alone LoRaWAN temperature sensor designed for outdoor environments and long-range IoT applications. It is equipped with 2 DS18B20 probes for reliable measurements from -55°C to +125°C with a typical accuracy of ±0.5°C. Powered by a solar panel coupled with a 3000 mAh Li-ion battery, it offers long-lasting, maintenance-free autonomy.

Main functions

• Temperature measurement from -55°C to +125°C
• Accuracy ±0.5°C (±2.0°C max) 2
• integrated DS18B20 temperature probes
• Ultra-low power consumption suitable for solar power supply
• Periodic data transmission via LoRaWAN
• Configurable alarm when thresholds are exceeded
• Datalog function: local data storage in the event of network loss
• Remote configuration via Bluetooth BLE 5.1
• OTA (Over-The-Air) firmware update
• IP66 waterproof housing, designed for harsh environments

Technical specifications

• Model: D22-LS
• Technology: LoRaWAN
• LoRa frequencies: 862 to 1020 MHz (EU868, US915, etc.)
• Transmit power: +22 dBm
• Receive sensitivity: down to -139 dBm
• Power supply: Solar panel + 3000 mAh Li-ion battery
• Operating life: Several years, depending on sunlight conditions
• Operating temperature:
• -40°C to +85°C
• Protection rating: IP66 (dust and waterproof)
• Communication & Configuration: Bluetooth, OTA, Downlink