[SDI-12-LB] SDI12 to LoRaWAN Converter

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    The Dragino SDI-12-LB is a SDI-12 to LoRaWAN Converter designed for Smart Agriculture solution.

    SDI-12 (Serial Digital Interface at 1200 baud) is an asynchronous serial communications protocol for intelligent sensors that monitor environment data. SDI-12 protocol is widely used in Agriculture sensor and Weather Station sensors.

    SDI-12-LB has SDI-12 interface and support 12v output to power external SDI-12 sensor. It can get the environment data from SDI-12 sensor and sends out the data via LoRaWAN wireless protocol.

    The LoRa wireless technology used in SDI-12-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.

    SDI-12-LB is powered by 8500mAh Li-SOCI2 battery  it is designed for long term use up to 5 years.

    Each SDI-12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.


    • LoRaWAN 1.0.3 Class A
    • Ultra-low power consumption
    • Controllable 5v and 12v output to power external sensor
    • SDI-12 Protocol to connect to SDI-12 Sensor
    • Monitor Battery Level
    • Bands: IN865 MHz
    • Support BLE and LoRaWAN remote configuration.
    • Support wireless OTA update firmware
    • Uplink on periodically
    • Downlink to change configure
    • 8500mAh Li/SOCl2 Battery (SDI-12-LB)


    • Smart Agriculture


    • MCU: 48Mhz ARM
    • Flash: 256KB
    • RAM: 64KB

    Common DC Characteristics:

    • Supply Voltage: Built-in Battery, 2.5v ~ 3.6v
    • Support current: 5V 300mA, 12V 100mA
    • Operating Temperature: -40 ~ 85°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

    Current Input Measuring :

    • Range: 0 ~ 20mA
    • Accuracy: 0.02mA
    • Resolution: 0.001mA

    Voltage Input Measuring:

    • Range: 0 ~ 30v
    • Accuracy: 0.02v
    • Resolution: 0.001v


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

    Power Consumption:

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

    Package Includes:

    • SDI-12-LB  SDI-12 to LoRaWAN Converter

    Dimension and weight:

    • Device Size: 195 * 125 * 55 mm
    • Device Weight: 420 g