Spektrum DX3 Smart 3-Channel Transmitter with SR315 Receiver

An entry-level 2.4GHz surface radio system designed for RC cars, trucks, and boats. It pairs Spektrum's DSMR signal protocol with Smart Technology capabilities, making it a popular replacement for standard RTR (Ready-to-Run) transmitters or entry-level custom builds. Key Transmitter Specifications & FeaturesChannels: 3 (Steering, Throttle, and AUX1 for lights, two-speed transmission, or winches). Protocol: DSMR 2.4GHz (backwards compatible with DSM2 receivers). Power Supply: 4 AA batteries (sold separately). Throttle Limiter: 3-position switch (50%, 75%, 100%)—ideal for training or limiting top speed for younger drivers. Smart Voltage Indicator: Integrated LED readout on the top panel gives a real-time battery status of connected Spektrum Smart LiPo batteries. AVC Compatible: Supports Spektrum Active Vehicle Control (traction control) tuning via the steering rate/AVC dial. App Telemetry (Optional Expansion): Upgradable with the Spektrum BT2000 Bluetooth Module and phone mount to view speed, RPM, battery voltage, and ESC temperature via the Spektrum Dashboard mobile app. SR315 Receiver OverviewProtocol Support: DSMR / SLT dual-protocol compatible. Bind Button: Integrated top button eliminates the need for physical bind plugs. Response Rate: Up to 5.5ms low-latency frame rate. Failsafe Modes: Supports SmartSafe™ (cuts throttle to zero) and Gas Mode Failsafe (preset position on all channels). Input Voltage: 3.5V to 9.6V.