| Type | Automatic positive airway pressure (APAP) device | Bi-level positive airway pressure (BPAP) device |
| Indication | Non-invasive treatment of OSA in patients ≥ 30 kg | — |
| Operating modes | CPAP (fixed) and AUTO (auto-adjusting) | CPAP, AUTO, AUTO S, S, T, ST, APCV |
| Pressure range | 4–20 cm H2O | 4–30 cm H2O |
| Pressure step size | 0.2 / 0.5 / 1.0 cm H2O | — |
| Ramp time | 0–60 min, 1-min steps | 0–60 minutes (1-minute steps) |
| Expiratory pressure relief (EPR) | Off / Level 1–3 | — |
| Max air flow | ≥ 170 L/min | — |
| Noise | ≤ 30 dB | ≤ 30 dB |
| Dimensions | 266.80 × 172.50 × 118.50 mm | 266.80 × 172.50 × 118.50 mm |
| Weight | 1.9 kg | 1.9 kg |
| Water tank | 200 ml, removable | 200 ml |
| Humidifier levels | 0–5 (0 = off; 1–5 = 45–65 °C) | — |
| Heated tubing range | 10–30 °C | — |
| Power supply | 100–240 V AC, 50/60 Hz, 1.5 A max | 100–240 V AC, 50/60 Hz, 1.5 A max |
| Display | High-contrast LCD | — |
| Ports | Micro SD, Type-C, SIM card | Micro SD, Type-C, SIM card |
| Data | Cloud with 4G + Micro SD; riDream app; remote monitoring | — |
| Alarms | Sound + screen; power-loss alarm ≥ 15 s | Power-failure buzzer ≥ 15 s; pressure-deviation alarms; manual restart after power restore |
| Other | Auto start/stop; rotary control knob; preheat function; PneumaLogic™; AdaptiveIQ™ | — |
| Backup rate | — | 5–60 bpm (±1 bpm) |
| I:E ratio | — | 10%–90% (±1%) |
| Maximum flow rate | — | ≥ 170 L/min |
| Humidifier settings | — | Level 0–5 (max 65 °C); water temperature 45–65 °C |
| Heated tube range | — | 10–30 °C |
| Auto start/stop | — | Starts when mask is worn; stops automatically 15 s after mask removal |
| Clinical applications (brochure) | — | OSA, CSA, mixed/complex apnea, obesity hypoventilation syndrome, periodic breathing disorders |
| Mode notes | — | S: COPD/mild hypoventilation; T: central apnea/low respiratory drive; ST: mixed/complex apnea; Auto S: variable obstruction; APCV: neuromuscular disorders |
