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  • Dual Protocol – SLT and DSMR Compatible
  • Smart all-in-one telemetry
  • Fast, powerful 32-bit ARM M4 Processor
  • Waterproof
  • Multiple Programming Options
  • Multi-point protection

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    Copyright Text - 2025 Modelflight

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    Spektrum Firma 2-in-1 40A Brushed Smart ESC/Dual Protocol RX

    SKU: SPMXSER1040
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    Upgrade your brushed motor-equipped vehicles to Spektrum™ Smart Technology! Feature-packed Firma 2-in1 Smart ESC/Receivers deliver power and intelligence all-in-one, with no additional vehicle modules or links required. Get valuable telemetry data easily and in real time right on your Smart-compatible Spektrum transmitter- including battery voltage, current, ESC temp, and battery data (when using a Spektrum Smart battery). This data will help with increased efficiency and extend battery life and run time.

    $204.99
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    Spektrum Firma 2-in-1 40A Brushed Smart ESC/Dual Protocol RX

    SKU: SPMXSER1040
    $204.99
    Loading...
    Loading...

    Upgrade your brushed motor-equipped vehicles to Spektrum™ Smart Technology! Feature-packed Firma 2-in1 Smart ESC/Receivers deliver power and intelligence all-in-one, with no additional vehicle modules or links required. Get valuable telemetry data easily and in real time right on your Smart-compatible Spektrum transmitter- including battery voltage, current, ESC temp, and battery data (when using a Spektrum Smart battery). This data will help with increased efficiency and extend battery life and run time.

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