RadioMaster ER5A ELRS 2.4GHz PWM Receiver for RC Aircraft and Surface Applications

Introduction

The RadioMaster ER5A is a cutting-edge 2.4GHz ExpressLRS (ELRS) PWM receiver engineered for a wide range of Radio Control applications, including FPV drones, aircraft, surface vehicles, and marine models. It offers a superior alternative to traditional receivers, providing enhanced range, faster response times, and improved reliability thanks to the advanced ELRS protocol. Designed for hobbyists and professionals seeking top-tier performance, the ER5A integrates seamlessly with modern RC systems.

Key Advantages

• Supports 8.4V HV servos and accessories for greater compatibility.
• Durable, injection-molded receiver casing ensures resilience against impacts and environmental factors.
• Experience exceptional responsiveness and an incredible operating range for reliable control.
• Offers up to 4 proportional channels and 1 switch channel (ExpressLRS 2.x) or 5 proportional channels (ExpressLRS 3.x).
• Compact size and easy installation make it perfect for space-constrained builds.
• Ideal for diverse R/C applications including aerial, surface, and marine environments.
• Utilizes a high-sensitivity T-shaped antenna for optimal signal reception.
• Available with standard ISM or EU LBT firmware for regional compliance.

Technical Specifications

• Model: ER5A 2.4GHz Receiver
• Region: LBT
• Power Supply: DC 4.5-8.4V
• Antenna Type: High-sensitivity T-shaped antenna
• Wireless Protocol: ELRS 2.0 pre-installed
• Output Channel: CH1-4 standard PWM; CH5 switch (ON/OFF) PWM
• Weight: 6.6 grams
• Dimensions: 37*19*13mm

Applications

The RadioMaster ER5A receiver is versatile and suitable for various R/C projects. It excels in FPV racing drones, freestyle FPV builds, fixed-wing aircraft, RC cars, boats, and other surface or marine RC applications where reliable, long-range control is essential.

Compatibility

Operates with DC 4.5-8.4V power input, compatible with 8.4V HV servos. Ensure your radio transmitter and module are running compatible firmware (standard ISM or EU LBT FW), as indicated in the product notes. The receiver outputs standard PWM signals.

FAQ

What applications is the RadioMaster ER5A ELRS receiver suitable for?

The RadioMaster ER5A is highly versatile, designed for FPV drones, fixed-wing aircraft, RC cars, boats, and other surface or marine RC applications. Its compact size and reliable performance make it ideal for a wide range of projects.

What is the maximum voltage supported by the RadioMaster ER5A receiver?

This receiver supports HV (High Voltage) servos and accessories, operating with a power supply range of DC 4.5-8.4V. This compatibility ensures it works with many common RC power systems.

Does the RadioMaster ER5A receiver support different firmware versions?

Yes, the RadioMaster ER5A is available with standard ISM or EU LBT firmware. The EU LBT FW is required if your radio transmitter and modules are also using EU LBT firmware for proper operation.

Where can I buy the RadioMaster ER5A ELRS receiver with fast delivery?

You can order the RadioMaster ER5A ELRS 2.4GHz PWM receiver directly from HTDRONE. We offer fast shipping within Poland and reliable worldwide delivery via DHL, ensuring you get your parts quickly.

What are the key benefits of using the ExpressLRS protocol with the ER5A receiver?

ExpressLRS (ELRS) provides significant advantages, including faster response times, a much greater operating range compared to older protocols, and improved signal reliability. This makes your RC control more precise and dependable.