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    Terminal Communication III

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    LoRa terminal communication module III is a highly integrated low-power half-duplex low-power wireless data transmission module independently developed by Emaga. It embeds a high-speed low-power microcontroller and a high-performance spread-spectrum RF chip (S76S chip), which greatly enhances its anti-interference performance and sensitivity. The sensitivity is as low as -137dBm (S76S). The maximum transmit power is 17dB, increasing its transmission distance. The size of LoRa terminal communication module III is 35mm x 20mm x 3mm. It can be used to embed various terminal systems, such as LoRa development board, terminal communication module, etc., and finally applied to various fields of the Internet of Things.

    1.Brift Introduction

    LoRa terminal communication module III is a highly integrated low-power half-duplex low-power wireless data transmission module independently developed by Emaga. It embeds a high-speed low-power microcontroller and a high-performance spread-spectrum RF chip (S76S chip), which greatly enhances its anti-interference performance and sensitivity. The sensitivity is as low as -137dBm (S76S). The maximum transmit power is 17dB, increasing its transmission distance. The size of LoRa terminal communication module III is 35mm x 20mm x 3mm. It can be used to embed various terminal systems, such as LoRa development board, terminal communication module, etc., and finally applied to various fields of the Internet of Things.

    2 Application places

    Intelligent light control

    Smart building

    Smart agriculture

    Smart parking lot

    Asset positioning

    Environmental monitoring

    Industrial field data collection and contro

    3 Features

    Small size, only 35mm x 20mm x 3mm;

    Wide range of products can be embedded in various types of terminal equipment; 

    An important part of various types of LoRa sensors and terminal equipment and can be used in many wisdom areas;

    Provide multiple channels, can modify the serial port rate, transceiver frequency, transmit power and other parameters online

    Low power consumption, long transmission distance, high stability, and strong anti-interference ability.

    4. Parameters

    Name

    LoRa Terminal Communication Module III

    Version

    V1.0

    Operate Voltage

    3.3V

    Frequency Range

    S76SEU868/US915

    Bandwidth

    62.5~500KHz

    Transmitting Power

    Maximum 17dB

    Receive Sensitivity

    -109dBm ~-137dBm(S76S)

    SF

    SF12

    Traffic Rate

    <37.5kbps

    Protocle

    LoRaWAN Specification 1.0.2

    Hardware Interface

    UART

    Humidity

    Storage Humidity:10%~95%No Condensation)

    Working Humidity:5%~95%No Condensation

    Temperature

    Storage Temperature:-50~+105

    Working Temperature:-20~+70

    Size

    35mm x 20mm x 3mm

    5. photo

    4.png

    LoRa terminal communication module type III pin definition

    No.

    Name

    IO Type

    Function

    1

    GND

    GND

    Ground

    2

    VCC

    P

    Module power input

    3

    PB0_IO_INT

    I/O

    Suspend IO/ When normal IO can be used

    4

    UART_RXD

    I

    Serial communication reception(RX

    IO Output level0-3.3V

    5

    UART_TXD

    O

    Serial communication send (TX

    IO Output level0-3.3V

    6

    RXTX-RFMOD

    LoRa Module, transmit and receive control pins

    RXTX-RFMOD=1,Send

    RXTX-RFMOD=0,Receive

    7

    PB1_IO_INT

    I/O

    Suspend IO/ When normal IO can be used

    6 Instructions for use

    The recommended operating voltage of the module is 3.3V. Do not use more than 3.6V during use. Otherwise, the module will be damaged.

    When wiring, pay attention to the positive and negative poles of the power supply module to avoid damage to the module due to different current directions.

    The S76SLoRa terminal communication module III frequency is EU868MHz/US915MHz;

    When using the LoRa terminal communication module type III, it should be far away from the metal environment, otherwise it will affect the communication distance;

    When using the LoRa terminal communication module type III, to avoid damage to the components due to static electricity from the human body and to cause component failure, it is recommended to wear an anti-static wrist strap during use.