A comprehensive technical reference for the Unitree Go2 series with detailed specifications of all configurations: AIR, PRO, X, and EDU. The Go2 series is a key platform for university research, industrial development, and educational innovation. Below you will find all specifications, comparison tables, sensor descriptions, accessories, and peripheral equipment.
Core Mechanical Parameters
All Go2 models (AIR, PRO, X, EDU) share the same base construction: standing dimensions of 70×31×40 cm, lying down 76×31×20 cm, weight with battery approximately 15 kg. The body is made from aluminum alloy and high-strength engineering plastic. Each model features 12 precision joint motors.
Performance Parameters
Parameter
AIR
PRO
X
EDU
Payload
~7 kg (max 10)
~8 kg (max 10)
~8 kg (max 12)
~8 kg (max 12)
Speed
0–2.5 m/s
0–3.5 m/s
0–3.7 m/s (max 5)
0–3.7 m/s (max 5)
Max obstacle clearance
~15 cm
~16 cm
~16 cm
~16 cm
Max climbing angle
30°
40°
40°
40°
Computing power
—
8-core CPU
8-core CPU
8-core CPU + Orin
Max joint torque
—
~45 Nm
~45 Nm
~45 Nm
Sensor Configuration
Parameter
AIR
PRO
X
EDU
3D LiDAR (wide-angle)
✓
✓
✓
✓
Wireless positioning module
—
✓
✓
✓
HD wide-angle camera
✓
✓
✓
✓
Foot force sensors
—
—
—
✓
Features and Capabilities
Feature
AIR
PRO
X
EDU
Basic actions, dancing
✓
✓
✓
✓
OTA updates
✓
✓
✓
✓
HD streaming RTT 2.0
✓
✓
✓
✓
Visual programming
✓
✓
✓
✓
Front light (3 W)
✓
✓
✓
✓
Dual-band Wi-Fi 6
✓
✓
✓
✓
Bluetooth 5.2/4.2/2.1
✓
✓
✓
✓
4G module
—
✓
✓
✓
Voice features
—
✓
✓
✓
ISS 2.0 intelligent companion
—
✓
✓
✓
Obstacle detection
✓
✓
✓
✓
Charging dock
—
—
✓
✓
Secondary development
—
—
Basic
Full
Package Contents and Accessories
Parameter
AIR
PRO
X
EDU
Handheld controller
Opt.
Opt.
Included
Included
High-compute module
—
—
—
Orin (opt., 40–100 TOPS)
Depth camera D435i
—
—
—
✓
Battery
8000 mAh ×1
8000 mAh ×1
8000 mAh ×1
15000 mAh ×1
Battery life
1–2 h
1–2 h
1–2 h
2–4 h
Charging
33.6V/3.5A
33.6V/3.5A
33.6V/3.5A
33.6V/9A fast
Warranty
6 months
12 months
12 months
12 months
Joint Parameters
All Go2 models feature 12 joint motors with internal wiring and heat pipe cooling. Legs: 0 (FR — front right), 1 (FL — front left), 2 (RR — rear right), 3 (RL — rear left). Joints: 0 (Hip), 1 (Thigh), 2 (Calf).
Joint
Range of motion
Hip
-48° ~ +48°
Thigh
Rear legs: -260°~+30°, front: -200°~+90°
Calf
-156° ~ -48°
Rotation axes: hip — X axis; thigh and calf — Y axis. Positive direction follows the right-hand rule.
4D LiDAR L1
Proprietary Unitree development: 3D spatial positioning + 1D brightness (grayscale). 21,600 measurements per second for real-time 3D environment scanning.
Parameter
Value
Model
L1
Dimensions
75×75×65 mm
Power
12 V DC
Laser
905 nm
FOV
360° × 90°
Frequency
21,600 measurements/sec
Indicator LEDs
Color
State
Meaning
Green
Blinking
Powering on
Green
Solid
Powered on, obstacle avoidance active
Blue
Solid
Obstacle avoidance disabled
Yellow
Solid
Endurance mode
Purple
Solid
Follow mode
Blue
Slow blink
Motor and IMU calibration
Yellow
Slow blink
Low battery (will shut down in 10 min)
Red
Slow blink
Boot error / hardware failure
Red
Fast blink
Calibration failed
White
Solid
Headlight
Camera
Parameter
Value
Streams
720p@15fps + 1080p@15fps
Aperture
F2.2
Field of view
120°
Batteries: BT2-05 and BT2-06
Parameter
BT2-05 (standard)
BT2-06 (high-capacity)
Capacity
8000 mAh / 236.8 Wh
15000 mAh / 432 Wh
Voltage
DC 29.6 V
DC 28.8 V
Runtime
1–2 h
3–5 h
Charging
3.5 A, ~2 h
9 A, ~1 h 15 min
Weight
2.5 kg
2.5 kg
Internal Systems
Parameter
Value
Processor
8-core high-performance CPU
4G
Built-in patch SIM
Wi-Fi
Wi-Fi 6 dual-band (802.11ax)
Bluetooth
5.2 / 4.2 / 2.1
Storage
64 GB
Power output
DC 28.8 V
Port
RJ45 Ethernet
Electrical Interface
Power: DC 28.8 V → Orin NX module (BAT input). Ethernet: RJ45 → user PC / Orin NX. SBUS: for remote controller, no power output. Pinout: NC / GND / SBUS.
Expansion Dock
Parameter
Orin Nano 8 GB
Orin NX 16 GB
Power
16–60 V DC
16–60 V DC
Computing
Up to 40 TOPS
Up to 100 TOPS
Interfaces
USB 3.0-A ×1, USB 3.0-C ×1, USB 2.0-C ×1, GbE RJ45 ×2, 100M Eth ×1, M8 ×1
USB 3.0-A ×1, USB 3.0-C ×1, USB 2.0-C ×1, GbE RJ45 ×2, 100M Eth ×1, M8 ×1
