Products

what we do

S31B-LE -- LoRaWAN Temperature & Humidity Sensor

The Dragino S31B-LE is a Temperature and Humidity Sensor designed for Internet of Things (loT) applications. It accurately measures ambient temperature and relative humidity, and transmits the data to an loT server via LoRaWAN Network. The sensing element used in the S31B-LE is a fully calibrated, digital temperature and humidity sensor from Sensirion, providing excellent reliability and long-term stability.

S31B-LE has a 2.7" E-Ink display which can provide the reading for the environment status.

S31B-LE supports configurable temperature and humidity alarms, allowing users to receive instant notifications when readings exceed predefined thresholds.

With built-in BLE configuration and wireless OTA firmware updates, the S31B-LE is simple to set up and maintain.

S31B-LE has built-in 8000mAh high-capacity battery which can support for up to 5 years battery life. (depend on uplink interval)

Features:

  • LoRaWAN v1.0.3
  • Configurable uplink interval
  • 2.7" E-Ink Display
  • Temperature Sensor Range: 0 - 60°C
  • Temperature Sensor Accuracy: +0.2 @ 0-80 °C
  • Humidity Sensor Range: 0 ~99.9% RH
  • Humidity Sensor Accuracy: < 4% RH (between 20% ~ 95%)
  • Temperature & Humidity alarm
  • Optional Unique Factory Calibrate service
  • 8000mAh Li-SOCl2 none-chargeable battery

Applications: 

  • Smart Buildings & Home Automation
  • Logistics and Supply Chain Management
  • Smart Agriculture
  • Smart Cities

S31B-LE-3

Package Includes:

  • 1 x S31B-LE LoRaWAN Temperature & Humidity Sensor

 Dimension and weight:

  • Package Size / pcs:  mm
  • Weight / pcs: g 

Part Number: S31B-LE-XX

XX: the default frequency band

  • EU433: Default frequency band EU433
  • CN470: Default frequency band CN470
  • EU868: Default frequency band EU868
  • IN865: Default frequency band IN865
  • KR920: Default frequency band KR920
  • AS923: Default frequency band AS923
  • AU915: Default frequency band AU915
  • US915: Default frequency band US915
  • KZ865: Default frequency band KZ865
Last modified on 01 September 2026
Copyright ©2010-2023
Open IoT Solution Limited.
Shenzhen  Dragino technology development co.LTD
Dragino Technology Co., LTD.
All rights reserved