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    Limit Parameters

    Main ParametersPerformanceRemarks
    Min.Max
    Power supply(V)05.5Voltage over 5.5V will cause permanentdamage to module
    Blocking power(dBm)-10Chances of burn is slim when modules areused in short distance
    Operating temperature(℃)-4085/


    Operating parameter

    Main ParametersPerformanceRemarks
    Min.Typ.Max.
    Operating voltage(V)3.35.05.5≥5.0 V ensures output powerr
    Communication level(V)3.3For 5V TTL, it may be at risk of burningdown
    Operating temperature(℃)-40-85Industrial design
    Operating frequency(MHz)410.125-493.125Support ISM band
    TX Current(mA)610Instant power consumption
    RX current(mA)17
    Sleep current(μA)2Software is shut down
    Max Tx power(dBm)29.530.030.5
    Receiving sensitivity(dBm)-146-147-148Air data rate is 2.4kbps
    Air data rate(bps)0.3k2.4k62.5kControlled via user’s programming


    Main parameterDescriptionRemarks
    Distance for reference8kmTest condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m,air data rate: 2.4kbps
    TX length240 ByteCan be configured via command as 32/64/128/240 bytesper packet to transmit
    Buffer1000 Byte
    ModulationLoRa
    Communication interfaceUART
    PackageDIP
    Connector1*7*2.54mm
    Size24*43mm
    AntennaSMA-K50 ohm impedance
     




    No.NameDirectionFunction
    1M0Input(weak pull-up)Work with M1 to decide 4 working modes of module (not suspended, if notused, could be grounded).
    2M1Input(weak pull-up)Work with M0 to decide 4 working modes of module (not suspended, if notused, could be grounded).
    3RXDInputTTL UART inputs, connects to external (MCU, PC) TXD output pin. Can beconfigured as open-drain or pull-up input. Ground
    4TXDOutputTTL UART outputs, connects to external RXD (MCU, PC) input pin. Can beconfigured as open-drain or push-pull output
    5AUXOutputTo indicate module ’s working status & wakes up the external MCU. During theprocedure of self-check initialization, the pin outputs low level. Can beconfigured as push-pull output (can be suspended).
    6VCCInputPower supply :3.3~ 5.5V DC
    7GNDInputGround
    8~11Fixed hole-Fixed hole
     


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