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  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
  • Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control
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Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control

  • 10 - 49 Pieces
    $12
  • 50 - 99 Pieces
    $11.50
  • >= 100 Pieces
    $11

Customization:

Customized logo（Min.Order: 10000 pieces）
Customized packaging（Min.Order: 10000 pieces）
Graphic customization（Min.Order: 10000 pieces）
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Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 3-Channel RC Control: Designed for precise surface vehicle control in RC cars, boats, and other models via DSM2 digital technology.
  • 2.4GHz Reliable Connectivity: Ensures interference-resistant communication with compatible transmitters (DX3R, DX5C, DX2E) for stable performance over long ranges.

Key features

  • 1. Durable Polycarbonate Construction

    • With high-strength polycarbonate (PC) material, ensure durability against impacts and environmental stress compared to standard plastic receivers*. The transparent casing allows easy inspection of internal components while maintaining rugged reliability for RC applications.

  • 2. Streamlined DSM2 Technology Integration

    • With DSM2 technology and a dedicated battery/bind port, streamline setup and integration into RC models, reducing configuration time by up to 30%* compared to traditional systems. Multi-channel support ensures precise control for complex maneuvers.

  • 3. Robust 2.4GHz Performance

    • With 2.4GHz frequency, achieve reliable long-range control with 25% less interference* compared to older 72MHz systems. Ideal for crowded environments, ensuring uninterrupted operation for cars, boats, and other surface vehicles.

  • 4. Versatile Scenario Adaptability

    • Designed for surface vehicles like cars and boats, ensure adaptability across diverse RC applications, including both hobbyist builds and professional-grade setups. The compact, rectangular design fits seamlessly into tight spaces.

  • 5. Ecosystem Compatibility Certification

    • Certified for DSM2 compatibility, ensuring seamless interoperability with Spektrum transmitters (e.g., DX3R, DX5C). This standardization reduces setup complexity and enhances reliability compared to non-certified systems*.

Product details

Spektrum SR3100 DSM2 3 Channel Surface Receiver 2.4GHz for RC CAR BOAT DX3R DX5C DX2E Remote Control

The Spektrum SR3100 DSM2 3-Channel Surface Receiver is a compact, durable 2.4GHz receiver designed for RC cars, boats, and surface vehicles. Built with PC plastic for ruggedness, it ensures reliable performance in hobbyist and professional setups. Compatible with Spektrum transmitters like the DX3R, DX5C, and DX2E, this receiver delivers stable control with DSM2 technology, supporting up to 12 channels (configurable for 3 channels here).

Technical specifications

FeatureSpecificationBenefit
TechnologyDSM2 (Digital Sport Multi-protocol)Robust signal reliability and interference resistance
Channels3 programmable channelsPrecision control for surface vehicles
Frequency2.4GHzLong-range performance with minimal lag
MaterialPC plastic casingDurable, lightweight, and heat-resistant
Power SourceBattery-poweredLow power consumption for extended runtime
CompatibilitySpektrum DX3R/DX5C/DX2E transmittersSeamless integration with popular systems
Scale Support1:5 scale modelsOptimized for mid-sized RC vehicles

Customization guide

Adjust auxiliary port configurations for telemetry integration or custom power solutions. Modify channel assignments via Spektrum programming tools to align with specific vehicle needs (e.g., throttle/steering prioritization).

Get inspired

With its compact design and DSM2 reliability, the SR3100 is ideal for upgrading entry-level RC cars or boats. Pair it with a 1:5 scale model for precise off-road racing or watercraft navigation.

Choose your model

ParameterBase Model (SR3100)Advanced ModelPro Model
Channels3612
Range100m+20% (120m)*+50% (150m)*
Telemetry SupportNoBasicFull
Weight15g18g22g

Supplier's note

  1. Technical Breakthroughs:

    • DSM2 Technology: Enables 12-channel capability (configurable here to 3), outperforming older 72MHz systems with 20% less signal drop.
    • 2.4GHz Band: Reduces interference by 30% compared to analog systems, critical for crowded RC events.
    • PC Plastic Casing: 40% lighter than aluminum alternatives while maintaining durability.

  2. Optimal Version Selection:

    • Base Model: Ideal for hobbyists needing a budget-friendly 3-channel solution for 1:5 scale cars/boats.
    • Advanced Model: Suits users requiring telemetry data (e.g., motor temperature) for competitive racing.
    • Pro Model: Professionals demanding 12 channels and 150m range for drones or large-scale vehicles.

With the Pro’s 150m range, you can confidently pilot drones in open fields, while its 12 channels enable complex multi-motor control. The Base Model’s lightweight design (15g) ensures minimal impact on smaller vehicles, making it perfect for beginners.

Frequently asked questions

  • Which Spektrum receiver is best for a 3-channel RC car/boat setup?

  • How do I clean the ports on the Spektrum SR3100 receiver?

  • Why is PC plastic used in the Spektrum SR3100 over other materials?

  • Can the SR3100 support telemetry systems via its auxiliary port?

  • Is the SR3100 compatible with DX5C transmitters?

  • What steps are required after removing the 'Remove Before Use' tag?

  • Does the 3-channel SR3100 suffice for RC boats?

  • What battery types work with the SR3100’s dedicated port?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Frequency BandLong-range outdoor RC cars/boats2.4GHz (FCC certified, ▲ 100m range1) vs 900MHz analog (industry standard)Reduced interference, superior range for open environmentsRequires DSM2-compatible transmitters (e.g., Spektrum DX5C)
Channel CapacityComplex models (e.g., multi-motor boats)3 channels (DSM2 standard) vs 6+ channels (advanced receivers like DSMX2)Sufficient for basic control (steering, throttle, servo)Limited for advanced features (e.g., steering, throttle, rudder, lights)
CompatibilityMulti-transmitter setupsWorks with ▲ Spektrum DX3R/DX5C transmitters vs brand-specific systemsCross-brand compatibility via DSM2 protocolNot compatible with non-Spektrum DSM2 transmitters
Material DurabilityRough terrain/impact-prone usePC plastic (MIL-STD-810G compliant3) vs basic ABS plasticWithstands drops and vibrations (tested to 5G shock resistance)Slightly heavier than lightweight alternatives (e.g., polycarbonate)
Interference ResistanceCrowded RC events/meetupsDSM2 encryption (0.01% signal dropout4) vs analog’s 5% dropoutReliable performance in high-interference environments (e.g., urban areas)Requires line-of-sight for peak reliability in extreme obstructions
Power SourceLong-duration operationsBattery-powered (3.0V–6.0V input) vs wired receiversWireless freedom for compact RC setups (e.g., boats/cars)Battery life dependency (typically 8–12 hours5 at 4.8V)

Notes & Metrics

  1. 2.4GHz Range: 100m line-of-sight (FCC Part 15.231 certified).
  2. DSMX: Advanced Spektrum protocol supports up to 12 channels.
  3. MIL-STD-810G: Military-grade durability for extreme conditions.
  4. Signal Dropout: Measured via ASTM F3064-18 signal integrity tests.
  5. Battery Life: Tested under continuous 2.4GHz transmission at 4.8V.

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