RadioMaster ER4: Tiny Powerhouse 4-Channel ELRS Receiver! Super Reliable, Ultra-Fast, Ready to Fly!
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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
Includes:
- RadioMaster ER4 4-Channel ELRS (LBT) PWM Receiver
- 2x heat shrink tube
- Voltage telemetry wire (Type-A)
- User card
Requires:
- ELRS compatible transmitter
