Radiomaster ER4 2.4Ghz 4CH 10mw ExpressLRS PWM Receiver
Quick answer
Is $22.25 a good price for Radiomaster ER4 2.4Ghz 4CH 10mw ExpressLRS PWM Receiver?
Too early to tell: DipScout has tracked this price for 6 days, and comparing it with a typical price takes at least 7 days. Tracked since Oct 24, 2026, it ranged from $22.19 to $22.25.
$22.25
Today it costs $22.25 on AliExpress. Since Oct 24, 2026, when we started tracking it, it ranged from $22.19 to $22.25. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 6 days; confirming a drop takes at least 7 days. The store advertises "was $33.21", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$22.25highest ever seen
Lowest$22.19Oct 24 to Oct 30
Highest$22.25since Oct 30
Tracked since Oct 24 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 30, 10:14 UTC | $22.25 | +0.3% |
| Oct 24, 19:45 UTC | $22.19 | start |
| Store | RM Radio RC Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Toys & Hobbies › Remote Control Toys |
| Recorded readings | 2 |
| First seen | |
| Last reading |