Frequently Asked Questions
Which is better, the ER3C-i 2.4GHz ELRS PWM Receiver or the RadioMaster ER4 2.4GHz 4Ch ELRS PWM Receiver?+−
Both are capable receivers options. The best choice depends on your specific build requirements. Review the spec differences above to find which suits your needs — consider weight, power output, mounting compatibility, and price.
What is the difference between the ER3C-i 2.4GHz ELRS PWM Receiver and RadioMaster ER4 2.4GHz 4Ch ELRS PWM Receiver?+−
The ER3C-i 2.4GHz ELRS PWM Receiver is made by RadioMaster and the RadioMaster ER4 2.4GHz 4Ch ELRS PWM Receiver is made by RDQ. There are 3 spec differences between them — see the full comparison table above for details.
Are the ER3C-i 2.4GHz ELRS PWM Receiver and RadioMaster ER4 2.4GHz 4Ch ELRS PWM Receiver compatible with the same drone builds?+−
Both the ER3C-i 2.4GHz ELRS PWM Receiver and RadioMaster ER4 2.4GHz 4Ch ELRS PWM Receiver are in the Receivers category and are broadly compatible with similar drone builds. Always verify mounting patterns, voltage requirements, and firmware support for your specific frame and flight controller.
