[D22-LB] Two probes LoRaWAN Temperature Sensor

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    The Dragino D22-LB is a LoRaWAN Temperature Sensor for the Internet of Things solution. D22-LB will convert the Temperature reading to LoRaWAN wireless data and send it to IoT platform via the LoRaWAN gateway.

    The LoRa wireless technology used in D22-LB allows device to send data and reach extremely long ranges at low data rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.

    The temperature sensor used in D22-LB can measure -55°C ~ 125°C with accuracy ±0.5°C (max ±2.0 °C).

    D22-LB supports a temperature alarm feature, the user can set a temperature alarm for instant notice. D22-LB supports the Datalog feature, it can save the data when there is no LoRaWAN network and uplink when the network recovers.

    D22-LB supports BLE configure and wireless OTA update which make users easy to use.

    D22-LB is powered by an 8500mAh Li-SOCI2 battery it is designed for long-term use up to 5 years.

    Each D22-LB is pre-loaded with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto-connect after powering on.


    • LoRaWAN 1.0.3 Class A
    • Ultra-low power consumption
    • 2 x DS18B20 Temperature sensors
    • Measure range -55°C ~ 125°C
    • Temperature alarm
    • Bands: IN865 Mhz
    • Support Bluetooth v5.1 and LoRaWAN remote configure
    • Support wireless OTA update firmware
    • Uplink on periodically
    • Downlink to change configure
    • IP66 Waterproof Enclosure
    • 8500mAh Li/SOCl2 Battery


    Common DC Characteristics:

    • Supply Voltage: Built-in Battery , 2.5v ~ 3.6v
    • Operating Temperature: -40 ~ 85°C

    Temperature Sensor:

    • Dallas DS18B20
    • Range: -55 to + 125°C
    • Accuracy ±0.5°C (max ±2.0 °C).

    LoRa Spec:

    • Frequency Range,  Band 1 (HF): 865 Mhz
    • Max +22 dBm constant RF output vs.
    • RX sensitivity: down to -139 dBm.
    • Excellent blocking immunity


    • Li/SOCI2 un-chargeable battery
    • Capacity: 8500mAh
    • Self-Discharge: <1% / Year @ 25°C
    • Max continuously current: 130mA
    • Max boost current: 2A, 1 second

    Power Consumption

    • Sleep Mode: 5uA @ 3.3v
    • LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

    Package Includes:

    • 1 x D22-LB LoRaWAN Waterproof /Outdoor Temperature Sensor 

    Dimension and weight:  

    • Device Size: 120 * 55 * 200 mm
    • Device Weight: 372g