RadioMaster ER3C-i

The RadioMaster ER3C-i is a high-performance receiver built on the revolutionary ExpressLRS system, offering FPV pilots top-notch reliability, flexible configuration, ultra-fast response times, and an ultra-long range. This 2.4GHz ELRS PWM receiver delivers a fresh, exciting experience for your surface models like RC cars or boats.

Capable of driving up to 3 servos, the ER3C-i includes built-in receiver and battery telemetry, automatically detecting the voltage source in use. With its high-sensitivity ceramic antenna, it’s designed for clean installations without messy antenna wires – a perfect fit for all types of surface models.

Features of the RadioMaster ER3C-i

• Built-in Ceramic Antenna: High sensitivity for strong reception without clutter.
• ExpressLRS System: Cutting-edge tech for peak performance.
• High Reliability: Steady connection even in tough conditions.
• Fast Response: Lightning-quick reaction for precise control.
• Ultra-Long Range: Ideal for long-distance runs.
• 3 PWM Channels: Controls up to three servos at once.
• Auto Telemetry: Detects external or internal voltage (4.0–35V).
• Wi-Fi Updates: Easy firmware updates and WEBUI setup.
• TCXO Technology: Temperature-compensated oscillator for stability.
• Broad Compatibility: Works with all 2.4GHz ELRS modules.

Technical Specifications

RadioMaster ER3C-i in Detail

• Item: ER3C-i 2.4GHz ELRS PWM Receiver
• Power Supply: DC 4.5–8.4V
• Antenna: Built-in Ceramic Antenna
• Protocol: ExpressLRS 3.3.0 pre-installed
• Output: 3CH PWM
• Telemetry Power: 10mW
• Voltage Detection: DC 4.0–35V
• Weight: 4.2 grams
• Dimensions: 26.1 x 18.5 x 13.0 mm
• Firmware: Radiomaster 2.4GHz / Device: RadioMaster ER3C-i

Why FPV Pilots Choose the RadioMaster ER3C-i

For FPV pilots looking to master their surface models, the RadioMaster ER3C-i is a game-changer. The ExpressLRS system ensures ultra-long range and fast response times, keeping you in control at high speeds or over rough terrain. Its telemetry tracks voltage in real-time – from the battery or ESC – and the ceramic antenna makes for a sleek, wire-free setup.

Weighing just 4.2 grams, it’s super light and fits almost anywhere. Wi-Fi updates keep it future-proof, and the TCXO technology ensures steady performance in any weather. It’s a top pick for anyone who values quality and versatility!

Size of the RadioMaster ER3C-i

Package Contents

• 1 x RadioMaster ER3C-i 2.4GHz ELRS PWM Receiver
• 1 x Voltage Telemetry Wire
• 1 x User Card