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Autel Enterprise

Operational Knowledge

Drone GSD Comparison: Autel

GSD represents the distance between pixel centers measured on the ground and is a critical metric for aerial mapping, photogrammetry, and inspection applications.

Autel Robotics Drone Specifications

Autel Evo Max 4T

Core Specifications

Release Date: January 2023

Flight Time: 42 minutes

Maximum Transmission Range: 12.4 miles

Transmission System: SkyLink 3.0 with 6 antennas, 4 frequency bands

Weather Resistance: IP43 rating

Obstacle Avoidance: 720° all-round perception and obstacle avoidance

Anti-Interference: Advanced capability against RFI, EMI, and GPS spoofing

Camera System

Wide Camera: 50MP with 1/1.28" CMOS sensor, 85° field of view

Zoom Camera: 48MP with 8K resolution, 160x hybrid zoom capability

Thermal Camera: 640×512 resolution thermal sensor

Laser Rangefinder: Range of 16.4 ft to 3,737 ft, accurate to 1 meter

Gimbal: 4-axis stabilized gimbal

Software & Intelligence

Autonomous Features: Autel Autonomy Engine for 3D flight paths and obstacle avoidance

AI Recognition: Target identification and tracking of heat sources, people, or vehicles

App Platform: Autel Enterprise App with custom mission planning capabilities

Special Modes: 3D Map Planning, Mission Reproduction, Quick Mission features

Autel EVO II Dual 640T

Core Specifications

Release Date: 2020

Flight Time: 40 minutes

Maximum Transmission Range: 9 km

Maximum Speed: 20 m/s

Weight: 1136.5 g (2.51 lbs)

Obstacle Avoidance: 12-sensor omnidirectional system

Camera System

Visual Camera: 48MP with 1/2" CMOS sensor, 8K video capability

Thermal Camera: 640×512 resolution thermal sensor

Thermal Camera Specifications:

Uncooled VOx Microbolometer
12 μm pixel pitch
13mm focal length
FOV: H33°×V26°
1-8x zoom
Temperature measurement capabilities

Software & Intelligence

Smart Tracking: Deep learning algorithms for subject tracking with obstacle avoidance

Thermal Analysis: IR PC TOOL software included for temperature measurement analysis

Thermal Display Modes: 10 thermal color palettes

Autel EVO II Pro 6K

Core Specifications

Release Date: 2020

Flight Time: 40 minutes

Maximum Transmission Range: 5.6 miles

Storage: Built-in 8GB memory plus SD card slot

Weight: 1110 g (2.45 lbs)

Obstacle Avoidance: 12-sensor omnidirectional system with dual-core processor

Camera System

Sensor: 1-inch 20MP Sony sensor (Sony IMX383 CMOS)

Field of View: 79°

Aperture: Adjustable, f/2.8 to f/11

Maximum Video Resolution: 6K (5472 × 3067)

Maximum Photo Resolution: 5472 × 3648 (20MP)

Zoom Capability: 1-8x (3x lossless)

Video Codec: H.264/H.265

Special Features: HDR video at up to 4K resolution, 120fps slow-motion at up to 2K

Software & Intelligence

Smart Tracking: Subject tracking with obstacle avoidance

Flight Features: Autonomous return to home, precision landing system

GSD Performance Comparison

Autel Evo Max 4T

Height (feet)	GSD (inches/pixel)	GSD (cm/pixel)
100 ft	0.26 in/pixel	0.66 cm/pixel
200 ft	0.52 in/pixel	1.32 cm/pixel
300 ft	0.78 in/pixel	1.98 cm/pixel
400 ft	1.04 in/pixel	2.64 cm/pixel
500 ft	1.30 in/pixel	3.30 cm/pixel
600 ft	1.56 in/pixel	3.96 cm/pixel

Autel Evo II 640T & Evo II Pro 6K

Height (feet)	GSD (inches/pixel)	GSD (cm/pixel)
100 ft	0.30 in/pixel	0.76 cm/pixel
200 ft	0.60 in/pixel	1.52 cm/pixel
300 ft	0.90 in/pixel	2.29 cm/pixel
400 ft	1.20 in/pixel	3.05 cm/pixel
500 ft	1.50 in/pixel	3.81 cm/pixel
600 ft	1.80 in/pixel	4.57 cm/pixel

Optimal Flying Heights by Application

Autel Evo Max 4T

Application	Recommended GSD	Recommended Height
Detailed inspection	<0.5 cm/pixel	<75 ft
High-quality mapping	0.5-1 cm/pixel	75-150 ft
Standard mapping	1-2 cm/pixel	150-300 ft
Large area survey	2-5 cm/pixel	300-750 ft

Autel Evo II Series

Application	Recommended GSD	Recommended Height
Detailed inspection	<0.5 cm/pixel	<65 ft
High-quality mapping	0.5-1 cm/pixel	65-130 ft
Standard mapping	1-2 cm/pixel	130-260 ft
Large area survey	2-5 cm/pixel	260-650 ft

Primary Applications

Autel Evo Max 4T

Multi-sensor operations requiring thermal, visual, and zoom capabilities
Public safety and search and rescue operations
Scenarios where multiple camera perspectives are needed
Inspections in electrically noisy environments

Autel EVO II Dual 640T

Thermal imaging applications
Wildlife management
Search and rescue operations
Solar panel inspection
Energy audits
Infrastructure inspection

Autel EVO II Pro 6K

Professional cinematography
High-detail mapping
General aerial photography and videography
Less demanding mapping applications
Situations requiring good balance between GSD and cost

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