| Identity |
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| Manufacturer | Autel | Freefly |
|---|
| Rating | — | 5 |
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| Known Issues | — | — |
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| Release Date | Sep 1, 2024 | Feb 5, 2026 |
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| Availability | Available | Available |
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| EU Drone Class | C2 | None |
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| US Procurement | FASC Prohibited | — |
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| Platform Type | Multirotor | Multirotor |
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| Pricing |
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| Price (EU) | €9,199 | €36,478 |
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| Price (US) | $9,999 | $39,650 |
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| Links |
|---|
| Product Page | https://www.autelrobotics.com/productdetail/evo-max-4t/ | https://freeflysystems.com/alta-x |
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| Shop Page | https://shop.autelrobotics.com/products/evo-max-4t-copy | https://store.freeflysystems.com/products/alta-x-gen2 |
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| Physical |
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| Weight | 1,640 g | 10,860 g |
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| Max Takeoff Weight | 1,999 g | 34,860 g |
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| Folded Dimensions | 257 × 145 × 131 mm | 877 × 877 × 387 mm |
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| IP Rating | IP43 | IP43 |
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| Operating Temperature | -20°C to 50°C | -20°C to 50°C |
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| Flight |
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| Max Flight Time | 42 min | 50 min |
|---|
| Max Speed | 23 m/s | 26 m/s |
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| Max Speed (EU) | — | — |
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| Max Ascent Speed | 8 m/s | 4 m/s |
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| Max Descent Speed | 6 m/s | 4 m/s |
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| Max Flight Distance | 25 km | 20 km |
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| Max Altitude | 4,000 m | 5,000 m |
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| Wind Resistance | 12 m/s | 10 m/s |
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| Payload |
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| Camera | | |
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| Camera 1 | Zoom | RED Komodo 6K |
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| Sensor Size | 1/2" | Super 35 |
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| Pixel Binning | Quad Bayer | — |
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| Megapixels | 48 MP | 19.9 MP |
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| Focal Length | 64-234mm | 24-70mm |
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| Aperture | f/2.8-f/4.8 | f/2.8 |
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| Zoom | 160x Hybrid | — |
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| Mechanical Shutter | — | ✗ No |
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| ISO Range | 100-6400 | 250-12800 (Native) |
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| Shutter Speed | 1/8000-8s (Photo), 1/8000-1s (Video) | 1/8000-1/24s (Global Shutter) |
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| Stabilization Type | Mechanical Gimbal | Mechanical Gimbal |
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| Max Photo Resolution | 8000x6000 | 6144x3240 |
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| Image Formats | JPEG, DNG (RAW) | RAW (Proprietary) |
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| AEB | — | — |
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| AEB EV Bias | — | — |
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| Panorama Modes | — | — |
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| Panorama Formats | — | — |
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| Video Resolutions | 4000x3000@30fps | 6K/40fps, 5K/48fps, 4K/60fps, 2K/120fps |
|---|
| Video Codec | H.264 (AVC), H.265 (HEVC) | ProRes 422 HQ, ProRes 422 |
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| Video Formats | MP4 | MOV |
|---|
| Color Profiles | — | Normal |
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| Camera 2 | Wide XE | LR1 (Sony ILX-LR1) |
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| Camera 3 | Thermal XE | — |
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| Gimbal |
|---|
| Gimbal | | |
|---|
| Gimbal 1 | FusionLight 4T XE Gimbal | Freefly MoVI Pro |
|---|
| Stabilization Axes | 3-Axis | 3-Axis |
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| Tilt Range | -90° to 30° | -90° to 165° |
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| Pan Range | 0° to 0° | -360° to 360° |
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| Roll Range | 0° to 0° | -60° to 60° |
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| Gimbal 2 | — | LR1 Gimbal |
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| Navigation |
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| GNSS | GPS, GLONASS, Galileo, BeiDou | GPS, GLONASS, BeiDou, Galileo |
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| Hover Accuracy | Vert: ±0.1m (Vision), ±0.5m (GNSS); Horiz: ±0.3m (Vision), ±0.5m (GNSS) | — |
|---|
| RTK | Add-on | Add-on |
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| RTK Horizontal Accuracy | — | 1 cm + 1 ppm (RMS) |
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| RTK Vertical Accuracy | — | 1 cm + 1 ppm (RMS) |
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| Recovery Mode | — | — |
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| Obstacle Sensors | Forward, Backward, Lateral, Upward, Downward | — |
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| Obstacle Avoidance | Active (Avoidance) | None |
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| Sensing Technology | Vision (Binocular), Radar | — |
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| Sensing Technology (Add-on) | — | — |
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| Transmission |
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| Transmission Protocol | SkyLink 3.0 | Herelink 1.1 |
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| Max Range (CE) | 8 km | 12 km |
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| Max Range (FCC) | 15 km | 20 km |
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| Live View Quality | 1080p/30fps | 1080p/60fps, 720p/30fps |
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| Cellular | ✓ Yes | ✓ Yes |
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| App |
|---|
| Flight App | Autel Enterprise | Auterion Suite |
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| Supported OS | Android | Android |
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| Resume from Waypoint | — | — |
|---|
| Mission Types | Waypoint, Area, Oblique | Waypoint |
|---|
| Features |
|---|
| Internal Storage | 128 GB | — |
|---|
| Max MicroSD | 1,000 GB | — |
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| ActiveTrack | ✓ Yes | ✗ No |
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| Hyperlapse | — | — |
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| Night Scene | ✓ Yes | — |
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| NIR Light | — | — |
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| Laser Rangefinder | ✓ Yes | — |
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| Laser Rangefinder Range | 1,200 m | — |
|---|
| Remote ID | Built-in | Built-in |
|---|
| ADS-B Receiver | — | ✗ No |
|---|
| Data Encryption | ✓ Yes | ✓ Yes |
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| Expansion Port | ✓ Yes | ✓ Yes |
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| SDK Support | ✓ Yes | ✓ Yes |
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| Mapping |
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| Waypoints | ✓ Yes | ✓ Yes |
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| Terrain Follow | ✓ Yes | ✓ Yes |
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| Raw GNSS Logging | — | ✓ Yes |
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| Cargo |
|---|
| Delivery Mode | — | — |
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| Max Range (Loaded) | — | — |
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| Max Flight Time (Loaded) | — | — |
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| Accessories |
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| Battery | | |
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| Propeller | | |
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| Remote Controller | | |
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| Charger | | |
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