RADIOMASTER ER4 2.4GHz PWM ExpressLRS Receiver for Small Aircaft, Boats, Cars and More

The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system, offering high performance, high reliability, flexible configuration, fast response speed, and ultra-long range, providing a brand-new experience for your hobby. The ER4 PWM receiver can drive 4 servos simultaneously and is designed with a very small volume, making it suitable for small aircraft models, ship models, car models, and other models that require a small or lightweight receiver while still providing full range.

Featuring high-quality 2.54 mm connectors and a standard 15 cm high-sensitivity antenna, the ER4 2.4GHz ELRS PWM Receiver supports DC 4.5 - 8.4V power supply and automatically detects the external battery voltage or built-in receiver voltage. It utilizes the ExpressLRS 3.3.0 pre-installed wireless protocol, delivering 4 PWM output channels.

Weighing only 3.0 grams and measuring 30155mm, the ER4 receiver is optimized from the ground up with a PCB design that ensures high performance and reliability. It supports Wi-Fi updates and WEBUI configuration, providing users with a flexible and convenient way to customize their setups.

The package includes the ER4 2.4GHz ELRS PWM Receiver, 2 heat-shrink tubes, a voltage telemetry wire (Type-A), and a user card, making it a complete solution for your small aircraft, boats, cars, and more. Whether you're a beginner or an experienced hobbyist, the RadioMaster ER4 receiver is the perfect choice for your next project, delivering a seamless and enjoyable experience.

product information: