R81 V2 Receiver vs ER4 2.4GHz ELRS PWM Receiver
R81 V2 Receiver and ER4 2.4GHz ELRS PWM Receiver are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, R81 V2 Receiver is €6.07 cheaper ($7.99).
| Criterion |  R81 V2 Receiver |  ER4 2.4GHz ELRS PWM Receiver |
|---|---|---|
| Price | $7.99Best value | $14.99Least favorable value |
| Seller | radiomaster | radiomaster |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 50 gBest value | 150 gLeast favorable value |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.