The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby.
- Features
- Based on the Revolutionary ExpressLRS System
- High performance, high reliability, flexible configuration, fast response speed and ultra-long range
- Support 4 PWM Channel
- Optimized ground up PCB design
- Automatically voltage telemetry of external battery voltage or built-in receiver voltage
- Supports Wi-Fi updates and WEBUI configuration
- High quality 2.54 mm connector
- Standard 15 cm High Sensitivity Antenna
- For small aircraft, boats and cars and more
- Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS
EU-LBT VERSION
"Listen Before you Talk" is the abbreviation for a technical feature in radio transmission, which is mandatory for operation within the EU. Therefore, all our remote controls are shipped with this firmware.
This means:
- 4in1 modules are limited to the LBT-enabled protocols FrSKY X/X2 LBT, HoTT LBT, and DSMX
- ELRS modules come pre-installed with EU-approved LBT firmware and are limited to a maximum output power of 100 MW
Specification
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Item: ER4 2.4GHz ELRS PWM Receiver
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Power supply: DC 4.5 - 8.4V
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Antenna type: 15cm high sensitivity antenna
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Wireless protocol: ExpressLRS 3.3.0 pre-installed
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Output channel: 4CH PWM
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Serial Output: CRSF / Sbus
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Telemetry power: 10mw
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Battery voltage detection range: DC 4.0- 35V
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Weight: 3.0 grams
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Dimensions: 30*15*5mm
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Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER4 2.4GHz PWM RX
Package Includes
- 1 * ER4 2.4GHz ELRS PWM Receiver
- 2 * Heat-shrink tube
- 1 * Voltage telemetry wire (Type-A)
- 1 * User Card
Product safety information
Manufacturer information:
Radiomaster
4/F, Yang Tian Building, Yang Tian Road, Xin'an Street, Bao'an District, Shenzhen
GuangDong, China, 518101
Responsible person:
Mahmoudi Modellsport
Kaiserstraße 6
Bayern
Schönbrunn, Deutschland, 85244
info@mahmoudishop.de
https://www.mahmoudishop.de
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