SKU: 58955044743

RadioMaster ER4 2.4GHz ELRS PWM Receiver

Sale price$18.89 Regular price$20.99
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

RadioMaster ER4 2.4GHz ELRS PWM ReceiverThe 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. The ER4 PWM receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or

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.

The ER4 PWM receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range.

Check out all our ExpressLRS ProductsReceivers, and the rest of our RadioMaster Products!

 


 

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

 

Specifications:

  • Item: ER4 2.4GHz ELRS PWM Receiver
  • Power supply: DC 4.5 - 8.4V
  • Antenna type: 15cm high sensitivity antenna
  • Wireless protocol: ExpressLRS 3.2 pre-installed
  • Output channel: 4CH PWM
  • Telemetry power: 10mw
  • Battery voltage detection range: DC 4.0- 35V
  • Weight: 3.0 grams
  • Dimensions: 30*15*5mm


Firmware:

  • Device Category: Radiomaster 2.4Ghz
  • Device: RadioMaster ER4 2400 PWM RX

 

Package Includes:

  • 1 * ER4 2.4GHz ELRS PWM Receiver
  • 2 * Heat-shrink tube
  • 1 * Voltage telemetry wire (Type-A)
  • 1 * User Card
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 58955044743

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    Jeannette Vasquez
    Charlottesville, US
    ★★★★★ 5
    Space-Saving and very practical sink organizer
    Color: Black, Color: Black
    This sink caddy is a great addition to my kitchen- The 90-degree L-shaped design fits perfectly in the corner of the sink, making excellent use of space without cluttering the countertop. It easily holds sponges, brushes, and soap, keeping everything organized and within reach. The metal construction feels sturdy and well-made, and it stays stable without sliding around. I also like that it allows items to dry quickly, which helps keep everything more hygienic. Overall, it is a simple but very functional organizer that keeps the sink area neat and efficient. Highly recommended for anyone looking to save space and stay organized.
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    Reviewed in the United States on April 19, 2026
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    Lady Dayh ♥️📈
    Los Angeles, US
    ★★★★★ 5
    Keeps my sink organized and tidy
    Color: Black, Color: Black
    This sink organizer is sturdy, practical, and helps keep my kitchen counter clutter-free. It holds my sponge, dish soap, and brushes neatly in one place while allowing excess water to drain easily. The corner design saves space and fits perfectly next to the sink. It was easy to set up and looks great in my kitchen. A simple but very useful organizer!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
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    Kassy48
    Lexington, US
    ★★★★★ 4
    Look
    Color: Black
    Great ..sturdy… and fits perfect
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    Reviewed in the United States on April 24, 2026
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    walkebe
    San Leandro, US
    ★★★★★ 5
    Perfect Sink Organizer — Compact, Sturdy, and Stylish
    Color: Black
    This large sponge holder for the kitchen sink is exactly what I needed to clean up my countertop clutter. The 90-degree L-shaped design fits perfectly into the corner by the sink, making great use of space without getting in the way. The metal construction feels solid and durable, and it holds everything neatly—sponges, soap, and a dish brush all in one place. I especially like that it allows items to drain and dry properly, which helps keep things cleaner and more hygienic. Setup was quick and simple, and the minimalist design looks great with modern kitchen décor. It stays stable, doesn’t tip over, and keeps essentials easily within reach. Overall, this sink caddy is a smart, practical storage solution that’s both functional and attractive. A small upgrade that makes a big difference—highly recommended!
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    Reviewed in the United States on March 31, 2026
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    Dreilys Garcia
    Omaha, US
    ★★★★★ 5
    Very practical and nice for the sink
    Color: Black, Color: Black
    I really loved this sponge holder. It’s quite spacious and fits everything I need like the sponge, soap, and even a brush. It looks very nice on the sink and helps keep everything organized and clean. The material feels sturdy and is easy to clean. It also drains water well, so it doesn’t stay wet. I definitely recommend it
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    Reviewed in the United States on April 19, 2026

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