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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
€ 30
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
QTY:
Order now and get it around Tuesday, September 15
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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 1 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
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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.
€ 30
Order now and get it around Tuesday, September 15
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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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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