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Spektrum
Firma 120A Smart ESC for surface vehicles is waterproof and delivers power and
intelligence all-in-one. Without additional sensors or modules, they feed
battery and ESC telemetry data straight to your radio in real time, all over one
connection. Video Overview
Spektrum™ Smart Technology Video Overview
WATERPROOFThe all-weather, waterproof design of Spektrum™ Firma™ Smart ESCs allows them to perform in nearly any terrain under almost any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.
EC3™/EC5™ BACKWARDS COMPATIBLEFirma™ ESCs feature IC™ series battery connectors. The IC series of connectors are designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation. When used with an IC3™ or IC5™ connector-equipped Spektrum™ Smart battery, the ESC can receive and transmit battery telemetry data. EC3 and EC5 are also compatible with Firma ESCs for basic operation and ESC telemetry.
  ONE-WIRE TELEMETRYNo need to connect multiple wires, sensors, modules, and links. With Firma™ ESCs, simple one-wire telemetry transmits a wide range of data directly to your transmitter in real time, including RPM, voltage, temperature, balance, capacity, and speed.* *See compatibility chart for more information.
SMART TECHNOLOGY BATTERY DATAWhen used with a Spektrum™ Smart LiPo battery, your Firma™ ESC provides you with the benefit of battery telemetry that's automatically transmitted to your compatible Spektrum radio in real time. On your transmitter screen you'll be presented with helpful information such as number of cycles, battery percentage, individual cell voltage and more!
MULTIPLE PROGRAMMING OPTIONSMultiple programming options are available. Button programming can be used with nothing more needed. Using the Smart Firma™ ESC Programming Box, you can easily change settings at the track to suit driving conditions. An easy-to-use Smart Link USB Updating and PC Programmer app is also available.
FAST, POWERFUL M4 PROCESSORThe Firma™ ESCs' 32-bit M4 processor produces higher resolution signal input and more accurate motor output.
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