SKU: 58955044743

RadioMaster ER4 2.4GHz ELRS PWM Receiver

Sale price$18.89 Regular price$20.99
Save 10%

Pay in installments of $5.25 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.6 ★★★★★
    Based on 20 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    K
    Verified Purchase
    Kristi Perez
    Whiting, US
    ★★★★★ 5
    Stylish and comfy
    Size: 7.5, Color: Brown
    Super cute and comfy sandals! I love that they are adjustable.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 26, 2026
    A
    Verified Purchase
    Anapaula
    Whiting, US
    ★★★★★ 5
    Love them
    Size: 5.5, Color: Red Pepper
    I have gotten so many compliments on these shoes! They’re true to size and comfortable. Because of the material feet might sweat easier if hot but they dry quick. Quality is great and the color looks good, it’s more of a orange/red color. I got a 5.5 size
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2026
    L
    Verified Purchase
    Laura
    Los Angeles, US
    ★★★★★ 5
    Stylist and comfortable!!!
    Size: 6, Color: Red Pepper
    So comfortable and well made. I’m going to get these in multiple colors.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 11, 2026
    A
    Verified Purchase
    Ally
    Alexandria, US
    ★★★★★ 2
    Not sturdy enough for me
    Size: 8, Color: Chestnut
    Really cute and well made but not sturdy. I rolled my heel within minutes of walking around the house. Ain’t nobody got time for that
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026
    B
    Verified Purchase
    Bonnie
    Pawtucket, US
    ★★★★★ 5
    Oh so stylish Uggs
    Size: 8, Color: Dense Smoke
    They are so comfortable and stylish. I’m a size 8.5 and went with a size 8. Great value! Go get some I also got them in a tan color. Love them!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 18, 2026

    recommand products