Compact and reliable ExpressLRS receiver for RC models
The RadioMaster ER3C-i is a high-performance receiver based on the ExpressLRS system. With 3 PWM channels, built-in ceramic antenna, and voltage telemetry, it delivers long-range, ultra-fast response, and clean installation. Perfect for cars, boats, and surface RC applications.
Key Features
● Based on ExpressLRS 2.4GHz – reliable and flexible
● Supports 3 PWM channels
●Built-in ceramic antenna – no wires, clean install
● Automatic voltage telemetry detection (BEC / external battery)
●TCXO – accurate performance in all environments
● Wi-Fi & WebUI support – easy updates and configuration
● Compatible with all 2.4GHz ELRS modules and transmitters
Specifications
● Model: ER3C-i
● Channels: 3 PWM
● Input Voltage: DC 4.5 – 8.4 V
● Voltage telemetry range: DC 4.0 – 35 V
● Weight: 4.2 g
● Dimensions: 26.1 × 18.5 × 13.0 mm
● Antenna: built-in ceramic antenna
● Firmware: ExpressLRS 3.3.0 (pre-installed)
Package Includes
1 × RadioMaster ER3C-i 2.4GHz ELRS PWM Receiver
1 × Voltage telemetry wire
1 × User card
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