Side-by-side specification comparison for up to 4 drone components.
| Spec | R81 V2 Receiver RadioMaster | BetaFPV ELRS Nano 915MHz Receiver RDQ | + Add component |
|---|---|---|---|
| category | receiver | receiver | |
| manufacturer | RadioMaster | RDQ | |
| Antennas | 1 | 1 | |
| Antenna Type | — | IPEX | |
| Bluetooth | false | false | |
| Channels | 8 | 16 | |
| Firmware Target | — | BETAFPV_NANO_RX | |
| Frequency | 2.4GHz | 2.4GHz + 900MHz | |
| Protocol | FrSky | ExpressLRS | |
| Weight | 2 g | 0.7 g | |
| WiFi Config | false | false |