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- RadioMaster ER4 2.4GHz ELRS PWM Receiver
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Item #:
211220681
RadioMaster ER4 2.4GHz ELRS PWM Receiver
84% of respondents would recommend this to a friend
Item #:
211220681
LAK 699964
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Thursday, September 17
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The ER4 PWM receiver can drive 4 servos simultaneously, providing flexibility and control for a variety of applications.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Extended Range
The RadioMaster ER4 utilizes ELRS technology, offering superior signal strength and an impressive range for reliable long-distance communication in various environments.
Versatile Compatibility
Designed to seamlessly integrate with multiple transmitters and models, the ER4 enables users to switch between devices effortlessly, enhancing operational flexibility for hobbyists and professionals alike.
Compact Design
Featuring a lightweight and compact form factor, the ER4 receiver minimizes additional weight on aircraft, ensuring optimal performance without compromising on battery life or maneuverability.
Product Details
| Brand Name | RADIOMASTER |
| Unit Count | 1 Count |
| Manufacturer | RADIOMASTER |
| Number of Items | 1 |
| Part Number | RMS-RX-ER4 |
| Brand | RADIOMASTER |
| Item Weight | 0.05 lbs (20 grams) |
Who Should Buy?
-
Drone Enthusiasts
Ideal for drone pilots seeking reliable long-range control and low latency for enhanced flight performance.
-
FPV Racers
Perfect for FPV racing enthusiasts who need quick response times and robust signal strength in competitive environments.
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Hobbyist Builders
Great for RC hobbyists building custom models, offering versatile programming options and compatibility with various setups.
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Casual Users
May be overkill for casual users who only need basic remote control without advanced features or long-range capabilities.
Product Description
RadioMaster ER4 2.4GHz ELRS PWM Receiver
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What types of models can the ER4 receiver be used with?
Answer: The ER4 receiver is perfect for small aircraft models, ship models, car models, and more. -
Question:
How does the automatic voltage telemetry work?
Answer: It monitors the external battery voltage or the built-in receiver voltage automatically for optimal performance. -
Question:
Can I update the ER4 receiver firmware easily?
Answer: Yes, it supports Wi-Fi updates and has a user-friendly WEBUI configuration.
RADIOMASTER Radio Receivers Editorial Review
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Customer Reviews & Ratings
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Pros
- Exceptional quality performance
- User-friendly design
- Highly durable materials
- Excellent customer support
- Stylish and modern look
Cons
- A bit heavier than some models.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
LAK 699964
Order now and get it around Thursday, September 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Fastest cross-border delivery
Features & Benefits
- Drives 4 servos simultaneously for enhanced control.
- Supports automatic voltage telemetry for reliable battery monitoring.
- Offers Wi-Fi updates and easy WEBUI configuration.
- Based on the cutting-edge ExpressLRS system for high performance and reliability.
- Compact and lightweight design ideal for various model types.
- Includes high-quality antenna and connectors for easy installation.
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