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WSL02-A0 LoRaWAN Module

WSL02-A0LoRaWAN Module is a low cost, low power and 

ultra-small size module, embeddedwith Semtech's LoRa 

propriety chip SX1276 and ST's ultra-low power STM32 

serialMCU.The module designed by Friendcom (Shenzhen) 

is targeted to application insensor network and others IOT 

devices powered by battery which need low powerconsum-

ption to extend the battery lifetime.


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    Description

    WSL02-A0LoRaWAN Module is a low cost, low power and ultra-small size module, embeddedwith Semtech's 

    LoRa propriety chip SX1276 and ST's ultra-low power STM32 serialMCU.

    The module designed by Friendcom (Shenzhen) is targeted to application insensor network and others IOT 

    devices powered by battery which need low powerconsumption to extend the battery lifetime.



    Key Feature

    • Low power consumption: 1.45uA sleep current in WOR mode
    • Ultra-small size: 14mm X 20mm,18 pins SMT package
    • High performance:
    • WSL02-A0: TXOP=20dBm@868MHz/915MHz
    • 160dB link budget, suitable for long range
    • User-friendly interface: USART/I2C/USB/ADC/GPIOs
    • Support standard LoRaWAN protocol
    • Regional band: EU868, US915 and US915Hybrid, CN779, AU915, AS923, KR920, IN865


    Specifications


    Items

    Parameters

    Description

    Structure

    Size

    14mm(W) X 20mm(L) X 2.6mm(H)

    Package

    18 pins, SMT

     

    Electrical Characteristics

     

     

     

     

     

    power supply

    3.3V type

    Sleep current

    1.45uA (WDT off)

    Operation current (Transmitter+MCU)

    120mA @20dBm

    Operation current (Receiver+MCU)

    16mA @BW125kHz 

    Output power

    max. 20dBm

    Sensitivity

    -139dBm @SF12, BW125kHz,

    Harmonics

    <-40dBm above 1GHz

    Interface

    RFIO

    RF port

    USART

    2 group of USART, include 2pins

    USB

    1 group of USB, include 2 pins

    I2C

    1 group of I2C, include 2 pins

    ADC

    2 ADC Input, include 2 pins, reuse with LPUART port

    NRST

    Manual reset pin input


    Applications

    The WSL02-A0 LoRaWAN Module is designed for end device which need long range and low power consumption, 

    such as metering, sensor network, and others IoT application.






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