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Components · Radio Receivers
RadioMaster ER4 2.4ghz PWM ELRS 4 Channel Receiver
MFR RadioMasterMODEL HP0157.RX-ER4
RadioMaster ER4 2.4ghz PWM ELRS 4 Channel Receiver — radio receivers by RadioMaster.
Vendor-supplied listing. This part is made by RadioMaster and listed from ReadyMadeRC. Full specifications and current availability are held by the manufacturer; this listing carries the part, its price and its category.
Carried by ReadyMadeRC and Pyrodrone in this catalogue, so it does not depend on one supplier here.
ReadyMadeRC: usually ships same day. Its shipping policy says: “Orders containing only in stock ready to ship items ordered before 2:00pm Eastern time on a business day will be shipped the same day.” Policy, read 8 Oct 2026. That is the supplier’s dispatch time, not a delivery date; carrier transit is extra.
Specifications· 5 fields
As published by RadioMaster, the manufacturer. View the manufacturer's page
- Antenna
- 15cm high sensitivity antenna
- Weight
- 3 g(vendor states 3.0 grams)
- Dimensions
- 30*15*5mm
- Telemetry power
- 10mw
- Operating voltage
- DC 4.5 - 8.4V