RadioMaster – ER3C-i 2.4GHz 3Ch ExpressLRS ELRS Receiver
£16.90 Inc. VAT
This 3CH ELRS receiver has a built in ceramic for antenna a clean installation.
Only 5 left in stock|Next shipping: 16/03/2026
The RadioMaster ER3C-i receiver is based on the high-performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra-fast response speeds, and an ultra-long receiving range, bringing with it a brand-new usage experience.
The ER3C-i ELRS receiver can drive up to 3 servos and has built-in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. The ER3C-i features a built-in high-sensitivity ceramic antenna, it is designed for all types of surface models and provides a clean install without antenna wires to worry about.
Features
- Built-in high-sensitivity ceramic antenna
- Based on the Revolutionary ExpressLRS System
- High performance, high reliability, flexible configuration, fast response speed and ultra-long range
- Supports 3 PWM Channels
- Automatically detects voltage telemetry of external battery voltage or receiver battery / ESC BEC voltage
- Optimized ground up PCB design
- Supports Wi-Fi updates and WEBUI configuration
- Built-in a TCXO (temperature compensated crystal oscillator), ensures stable and accurate performance in any environment
- Designed for all types of surface models
- Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS
Associated Products
- ER SERIES ELRS PWM RECEIVERS
- MT12 Surface Radio
- Item: ER3C-i 2.4GHz ELRS PWM Receiver
- Power supply: DC 4.5 – 8.4V
- Antenna type: Built-in high-sensitivity ceramic antenna
- Wireless protocol: ExpressLRS 3.3.0 pre-installed
- Output channel: 3CH PWM
- Telemetry power: 10mW
- Battery voltage detection range: DC 4.0 – 35V
- Weight: 4.2 grams
- Dimensions: 26.1×18.5×13.0 mm
- Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER3C-i
Included:
- 1 x ER3C-i 2.4GHz ELRS PWM Receiver
- 1 x Voltage telemetry wire
- 1 x User Card
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
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Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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