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Spektrum AR637TA receiver with full-range telemetry and industry-leading DSMX® technology
Castle engineers always add a little something extra in their designs that takes your performance to the next level
while AS3X® and optional SAFE® Select technologies ensure smooth
Drivers stay in control with a Spektrum DX3™ 3-Channel DSMR® Radio System
Spektrum - RC Firma 45 Smart Lite Sensorless Brushless ESC (2S) Outrunner Motor Spektrum AR637TA receiver with full-rangeUnleash next level control with the Spektrum Firma 45 Smart Lite ESC, a compact, waterproof powerhouse that delivers real time telemetry, smooth brushless performance, and Smart technology simplicity, all in one package. Features: Sends real time telemetry to your transmitter Fully waterproof for all weather driving Simple programming with button, box, or USB No soldering needed, plug and play Built in protections for heat, current, and voltage High