| Feature | ELRS 915MHz (LoRa) | ELRS 2.4GHz (LoRa/FLRC) |
|---|---|---|
| Frequency Band | 915 MHz | 2.4 GHz |
| Range (LOS, 100mW) | ✅ 5–10+ km | ⚠️ 1–2 km |
| Penetration | ✅ Strong (trees, buildings) | ⚠️ Moderate |
| Latency | ❌ ~20–30 ms | ✅ ~2.5–13 ms |
| Max Packet Rate | ❌ ~50Hz | ✅ Up to 500Hz |
| Antenna Size | ❌ Large | ✅ Small |
| Interference Avoidance | ✅ Less crowded band | ⚠️ More Wi-Fi/Bluetooth noise |
| Use Case | Long-range, endurance | Freestyle, racing |
| Power Efficiency | ✅ High (lower data rate) | ✅ High (LoRa + FLRC modes) |
| Hardware Support | Older SX1276 modules | Newer SX1280 + ESP modules |