RadioMaster ER4 ELRS Receiver 4 Channel PWM LBT

RadioMaster ER4 ELRS Receiver Unleashed Long Range Control

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$18.22 $20.24

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ER4 4-Channel ELRS (LBT) PWM Receiver from RadioMaster - HP0157-RX-ER4-LBT

The RadioMaster ER series of PWM receivers utilize the innovative ExpressLRS (ELRS) protocol, delivering exceptional performance, reliability, and versatility. With quick response times and an incredibly long range, these receivers bring you the best that ELRS technology has to offer.

The ER4 PWM receiver can control up to 4 servos at once and includes built-in telemetry for both receiver and flight battery voltage, automatically detecting the appropriate voltage input. Its compact design makes it ideal for small aircraft, boats, cars, and other applications where a lightweight or miniaturized receiver is needed, all while maintaining full range capabilities. The ER4 is equipped with a high-sensitivity antenna and offers telemetry power of up to 10mW.

*ELRS LBT (Europe) version is pre-installed with ExpressLRS CE EU domain LBT FW

Features:

Built on the revolutionary ExpressLRS protocol
High performance and reliability with flexible configuration, fast response times, and ultra-long range
Supports 4 PWM channels
Optimized PCB design for improved performance
Automatic telemetry for external battery voltage or built-in receiver voltage
Supports Wi-Fi updates and WEBUI configuration
High-quality 2.54mm connector
Comes with a standard 15cm high-sensitivity antenna
Suitable for small aircraft, boats, cars, and more
Compatible with all 2.4GHz ExpressLRS modules and transmitters equipped with built-in 2.4GHz ExpressLRS