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Unitree Robotics
Unitree R1-A5 Smart H
Fixed-Base Dual-Arm Humanoid Robot with Tendon-Driven Dexterous Hands. 13 DOF, Orin Nano 40 TOPS, biomimetic actuation, binocular vision & full-stack open SDK. For cutting-edge tendon-driven manipulation research.
R1-A5 Smart H — fixed-base humanoid with tendon-driven dexterous hands for biomimetic manipulation research
13
Total DOF
5+5
Arm DOF
60
Nm Torque
~2
kg Payload
40
TOPS AI
What's in This Configuration
The R1-A5 Smart H is the flagship fixed-base configuration, featuring tendon-driven dexterous hands — the most biomimetic actuation technology in the R1-A5 lineup. Unlike motor-in-finger designs, tendon-driven mechanisms route actuation power through flexible cables, enabling lighter fingers, higher power-to-weight ratios, and compliance that closely mimics human musculotendinous systems. Combined with the built-in Orin Nano 40 TOPS, Smart H is the platform of choice for researchers in biomimetic robotics, neuroscience-inspired control, and cutting-edge dexterous manipulation.
✓ R1-A5 Fixed Base Body
Full upper-body humanoid: dual 5-DOF arms, 1-DOF waist, 2-DOF head. 700 × 357 × 190 mm, ~11 kg.
✓ Tendon-Driven Dexterous Hands
Biomimetic tendon-actuated hands on both arms with cable-driven joints for lightweight, compliant, human-like finger motion.
✓ Biomimetic Actuation
Cable-driven power transmission mimicking human musculotendinous architecture for natural compliance and adaptive stiffness.
✓ Orin Nano 40 TOPS
Onboard NVIDIA Jetson Orin Nano delivering 40 TOPS for real-time biomimetic control, perception, and AI inference.
✓ Binocular Vision Head
RGB 1280×720@30 Hz + Depth 544×448@10 Hz. 146°×124° FOV, 60 mm baseline. 8-core CPU + 10 TOPS NPU on-board.
✓ Full-Stack Open SDK
Linux framework, ROS 2 native, open APIs for arms, audio, vision, lighting. Dual encoders per joint.
Tendon-Driven Dexterous Hands — Biomimetic by Design
The tendon-driven dexterous hands on Smart H represent a fundamentally different approach to robotic actuation. Rather than placing motors inside each finger, actuators are located in the forearm and power is transmitted through flexible tendon cables — exactly like human muscles and tendons. This architecture delivers three critical advantages: lighter fingers for faster motion and lower inertia; inherent compliance that absorbs impacts and adapts to object geometry; and variable stiffness that can be tuned from rigid precision grasping to soft compliant contact. For researchers in biomimetic robotics, neuroscience, and bio-inspired control, this is the closest mechanical analog to human hand anatomy available in the R1-A5 platform.
Tendon-driven dexterous hands with cable-driven biomimetic actuation
Biomimetic Actuation — Engineering Meets Biology
Smart H is designed for researchers who study biological motion and translate it to robotics. The tendon-driven architecture enables experiments in variable impedance control, antagonistic muscle-like actuation, and stiffness modulation — control strategies directly inspired by human neuromuscular systems. The compliance inherent in cable transmission makes the hands naturally safe for physical human-robot interaction, while the high power-to-weight ratio enables dynamic, athletic finger motions that rigid motor-in-finger designs struggle to replicate. Combined with the Orin Nano 40 TOPS for real-time biomimetic control policy execution, Smart H bridges neuroscience and robotics engineering.
Orin Nano 40 TOPS — AI Compute for Biomimetic Control
The built-in NVIDIA Jetson Orin Nano delivers 40 TOPS of AI compute, handling the complex dynamics of tendon-driven systems, visual perception from the head binocular camera, and reinforcement learning policies for biomimetic control. Run variable impedance controllers, antagonistic actuation networks, and bio-inspired grasping algorithms locally with sub-millisecond latency. No external GPU server, no cloud dependency — just plug in power and start training.
Binocular Vision & AI Perception
A binocular camera head delivers a 146° × 124° field of view with a 60 mm stereo baseline. RGB streams at 1280×720@30 Hz and depth at 544×448@10 Hz give the R1-A5 true spatial awareness. Paired with an 8-core high-performance CPU + 10 TOPS NPU in the head module, plus the Orin Nano 40 TOPS body compute, it runs visual SLAM, object detection, and gesture recognition locally — no cloud required.
Voice Collaboration & Natural Interaction
Four-array beamforming microphones and dual 3 W speakers enable clear voice capture and synthesis in noisy labs or classrooms. The open audio framework supports custom wake words, multilingual TTS, and integration with LLMs for conversational command-and-control.
Compact. Lightweight. Desk-Ready.
At just 700 × 357 × 190 mm and approximately 11 kg, the R1-A5 Smart H fits on a standard lab bench or classroom desk. The fixed-base design eliminates footprint concerns while delivering full upper-body humanoid kinematics with biomimetic tendon-driven dexterity. Power via the included external supply — an optional upper-body Li-ion battery is available for ~1.5 hours of untethered operation.
Compact 11 kg fixed-base design — deploy on any desk or lab bench
Full-Stack Open Development
Unitree provides a mature, Linux-based robot development framework with open APIs for the underlying system, robotic arms, audio, lighting, and visual control. ROS 2 native support, dual encoders on every arm joint, and hollow internal wiring make the R1-A5 Smart H a clean slate for reinforcement learning, teleoperation research, embodied AI, and biomimetic manipulation studies. The built-in Orin Nano 40 TOPS handles model training and inference for tendon-driven control policies without external hardware.
Upgrade Path — Grow With Your Research
Smart H is the flagship fixed-base configuration. Expand further with platform-level upgrades:
- Upper-Body Battery — Add the Li-ion battery pack for ~1.5 hours of cord-free operation.
- Mobile Base — Upgrade to the R1-A5-D platform with wheeled autonomous chassis, LiDAR, and expanded workspace.
Upgrade from Smart H (fixed base) to R1-A5-D (mobile base) as your research scales
Designed For
Biomimetic Robotics
Research in bio-inspired actuation, tendon-driven control, and musculoskeletal system emulation.
Neuroscience-Inspired Control
Variable impedance control, antagonistic actuation, and stiffness modulation inspired by human neuromuscular systems.
Compliant Manipulation
Inherently safe physical interaction, impact absorption, and adaptive grasping through natural mechanical compliance.
Advanced University Research
Cutting-edge manipulation, biomechanics, neuroscience-robotics crossover, and AI integration on the ultimate biomimetic platform.
Technical Specifications
| Model | Unitree R1-A5 Smart H (Fixed Base) |
| Dimensions | 700 × 357 × 190 mm |
| Weight | ~11 kg (with external PSU) |
| Total DOF | 13 (Arm 5×2, Waist 1, Head 2) |
| Arm Reach | 420 mm (forearm + upper arm) |
| Peak Shoulder Torque | 60 Nm |
| Max Arm Payload | ~2 kg (posture-dependent) |
| End-Effector Precision | ±0.1 mm |
| End Effectors | Tendon-driven dexterous hands with biomimetic cable actuation (both arms) |
| Actuation Architecture | Tendon-driven (cable-actuated) with remote forearm-mounted actuators mimicking human musculotendinous system |
| Key Advantages | Lightweight fingers, inherent compliance, variable stiffness, high power-to-weight ratio, natural impact absorption |
| Vision | Binocular camera — RGB 1280×720@30 Hz, Depth 544×448@10 Hz, FOV 146°×124° |
| Head Compute | 8-core high-performance CPU + 10 TOPS NPU |
| Body Compute | 8-core high-performance CPU |
| Onboard AI Compute | NVIDIA Jetson Orin Nano 40 TOPS (built-in) |
| Audio | 4-array microphone + dual 3 W speakers |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, OTA updates |
| Power | External DC PSU included (optional Li-ion battery, ~1.5 h) |
| SDK & Interfaces | Linux-based framework, ROS 2, open APIs for arm/audio/vision/lighting |
| Controllers | Standard dual-hand controllers included |
| Warranty | 12 months on the entire unit |
What's in the Box
- Unitree R1-A5 Smart H Humanoid Robot (fixed base)
- Tendon-driven dexterous hands with biomimetic cable actuation (pre-installed, both arms)
- NVIDIA Jetson Orin Nano 40 TOPS compute module (pre-installed)
- External power supply & AC cable
- Binocular vision head module (pre-installed)
- 4-array microphone + dual speaker module (pre-installed)
- Standard dual-hand remote controllers
- Quick-start guide & safety manual
- Secondary development documentation access
R1-A5 Configuration Guide
Every configuration shares the same R1-A5 body — the difference is the end effector. Choose the one that matches your research goals:
| Config | Hand | Features |
|---|---|---|
| Smart A | Dex1-1 V2 | Entry-level parallel grippers, Orin Nano 40 TOPS |
| Smart B | Dex3-1 (RGB) | 3-finger dexterous hand with wrist RGB camera |
| Smart C | Dex3-1 Tactile (RGB) | 3-finger hand with tactile sensors + wrist RGB camera |
| Smart D | BrainCo Revo 2 Basic (RGB) | 5-finger anthropomorphic hand with wrist RGB camera |
| Smart E | BrainCo Revo 2 Tactile (RGB) | 5-finger hand with tactile sensors + wrist RGB camera |
| Smart F | LinkerBot O6 (RGB) | 6-DOF dexterous hand with wrist RGB camera |
| Smart G | LinkerBot O6 Tactile (RGB) | 6-DOF hand with tactile sensors + wrist RGB camera |
| Smart H | Tendon-driven dexterous hand | Advanced tendon-driven mechanism for research-grade dexterity |
* Specifications are based on manufacturer data and may vary slightly by production batch. Optional battery, compute module, and alternative end effectors sold separately.
Unitree® is a registered trademark of Unitree Robotics. Images are for reference; actual product appearance may differ.
Users must maintain a sufficient safety distance. This is a civilian robot — comply with local laws and regulations.
Description
Unitree Robotics
Unitree R1-A5 Smart H
Fixed-Base Dual-Arm Humanoid Robot with Tendon-Driven Dexterous Hands. 13 DOF, Orin Nano 40 TOPS, biomimetic actuation, binocular vision & full-stack open SDK. For cutting-edge tendon-driven manipulation research.
R1-A5 Smart H — fixed-base humanoid with tendon-driven dexterous hands for biomimetic manipulation research
13
Total DOF
5+5
Arm DOF
60
Nm Torque
~2
kg Payload
40
TOPS AI
What's in This Configuration
The R1-A5 Smart H is the flagship fixed-base configuration, featuring tendon-driven dexterous hands — the most biomimetic actuation technology in the R1-A5 lineup. Unlike motor-in-finger designs, tendon-driven mechanisms route actuation power through flexible cables, enabling lighter fingers, higher power-to-weight ratios, and compliance that closely mimics human musculotendinous systems. Combined with the built-in Orin Nano 40 TOPS, Smart H is the platform of choice for researchers in biomimetic robotics, neuroscience-inspired control, and cutting-edge dexterous manipulation.
✓ R1-A5 Fixed Base Body
Full upper-body humanoid: dual 5-DOF arms, 1-DOF waist, 2-DOF head. 700 × 357 × 190 mm, ~11 kg.
✓ Tendon-Driven Dexterous Hands
Biomimetic tendon-actuated hands on both arms with cable-driven joints for lightweight, compliant, human-like finger motion.
✓ Biomimetic Actuation
Cable-driven power transmission mimicking human musculotendinous architecture for natural compliance and adaptive stiffness.
✓ Orin Nano 40 TOPS
Onboard NVIDIA Jetson Orin Nano delivering 40 TOPS for real-time biomimetic control, perception, and AI inference.
✓ Binocular Vision Head
RGB 1280×720@30 Hz + Depth 544×448@10 Hz. 146°×124° FOV, 60 mm baseline. 8-core CPU + 10 TOPS NPU on-board.
✓ Full-Stack Open SDK
Linux framework, ROS 2 native, open APIs for arms, audio, vision, lighting. Dual encoders per joint.
Tendon-Driven Dexterous Hands — Biomimetic by Design
The tendon-driven dexterous hands on Smart H represent a fundamentally different approach to robotic actuation. Rather than placing motors inside each finger, actuators are located in the forearm and power is transmitted through flexible tendon cables — exactly like human muscles and tendons. This architecture delivers three critical advantages: lighter fingers for faster motion and lower inertia; inherent compliance that absorbs impacts and adapts to object geometry; and variable stiffness that can be tuned from rigid precision grasping to soft compliant contact. For researchers in biomimetic robotics, neuroscience, and bio-inspired control, this is the closest mechanical analog to human hand anatomy available in the R1-A5 platform.
Tendon-driven dexterous hands with cable-driven biomimetic actuation
Biomimetic Actuation — Engineering Meets Biology
Smart H is designed for researchers who study biological motion and translate it to robotics. The tendon-driven architecture enables experiments in variable impedance control, antagonistic muscle-like actuation, and stiffness modulation — control strategies directly inspired by human neuromuscular systems. The compliance inherent in cable transmission makes the hands naturally safe for physical human-robot interaction, while the high power-to-weight ratio enables dynamic, athletic finger motions that rigid motor-in-finger designs struggle to replicate. Combined with the Orin Nano 40 TOPS for real-time biomimetic control policy execution, Smart H bridges neuroscience and robotics engineering.
Orin Nano 40 TOPS — AI Compute for Biomimetic Control
The built-in NVIDIA Jetson Orin Nano delivers 40 TOPS of AI compute, handling the complex dynamics of tendon-driven systems, visual perception from the head binocular camera, and reinforcement learning policies for biomimetic control. Run variable impedance controllers, antagonistic actuation networks, and bio-inspired grasping algorithms locally with sub-millisecond latency. No external GPU server, no cloud dependency — just plug in power and start training.
Binocular Vision & AI Perception
A binocular camera head delivers a 146° × 124° field of view with a 60 mm stereo baseline. RGB streams at 1280×720@30 Hz and depth at 544×448@10 Hz give the R1-A5 true spatial awareness. Paired with an 8-core high-performance CPU + 10 TOPS NPU in the head module, plus the Orin Nano 40 TOPS body compute, it runs visual SLAM, object detection, and gesture recognition locally — no cloud required.
Voice Collaboration & Natural Interaction
Four-array beamforming microphones and dual 3 W speakers enable clear voice capture and synthesis in noisy labs or classrooms. The open audio framework supports custom wake words, multilingual TTS, and integration with LLMs for conversational command-and-control.
Compact. Lightweight. Desk-Ready.
At just 700 × 357 × 190 mm and approximately 11 kg, the R1-A5 Smart H fits on a standard lab bench or classroom desk. The fixed-base design eliminates footprint concerns while delivering full upper-body humanoid kinematics with biomimetic tendon-driven dexterity. Power via the included external supply — an optional upper-body Li-ion battery is available for ~1.5 hours of untethered operation.
Compact 11 kg fixed-base design — deploy on any desk or lab bench
Full-Stack Open Development
Unitree provides a mature, Linux-based robot development framework with open APIs for the underlying system, robotic arms, audio, lighting, and visual control. ROS 2 native support, dual encoders on every arm joint, and hollow internal wiring make the R1-A5 Smart H a clean slate for reinforcement learning, teleoperation research, embodied AI, and biomimetic manipulation studies. The built-in Orin Nano 40 TOPS handles model training and inference for tendon-driven control policies without external hardware.
Upgrade Path — Grow With Your Research
Smart H is the flagship fixed-base configuration. Expand further with platform-level upgrades:
- Upper-Body Battery — Add the Li-ion battery pack for ~1.5 hours of cord-free operation.
- Mobile Base — Upgrade to the R1-A5-D platform with wheeled autonomous chassis, LiDAR, and expanded workspace.
Upgrade from Smart H (fixed base) to R1-A5-D (mobile base) as your research scales
Designed For
Biomimetic Robotics
Research in bio-inspired actuation, tendon-driven control, and musculoskeletal system emulation.
Neuroscience-Inspired Control
Variable impedance control, antagonistic actuation, and stiffness modulation inspired by human neuromuscular systems.
Compliant Manipulation
Inherently safe physical interaction, impact absorption, and adaptive grasping through natural mechanical compliance.
Advanced University Research
Cutting-edge manipulation, biomechanics, neuroscience-robotics crossover, and AI integration on the ultimate biomimetic platform.
Technical Specifications
| Model | Unitree R1-A5 Smart H (Fixed Base) |
| Dimensions | 700 × 357 × 190 mm |
| Weight | ~11 kg (with external PSU) |
| Total DOF | 13 (Arm 5×2, Waist 1, Head 2) |
| Arm Reach | 420 mm (forearm + upper arm) |
| Peak Shoulder Torque | 60 Nm |
| Max Arm Payload | ~2 kg (posture-dependent) |
| End-Effector Precision | ±0.1 mm |
| End Effectors | Tendon-driven dexterous hands with biomimetic cable actuation (both arms) |
| Actuation Architecture | Tendon-driven (cable-actuated) with remote forearm-mounted actuators mimicking human musculotendinous system |
| Key Advantages | Lightweight fingers, inherent compliance, variable stiffness, high power-to-weight ratio, natural impact absorption |
| Vision | Binocular camera — RGB 1280×720@30 Hz, Depth 544×448@10 Hz, FOV 146°×124° |
| Head Compute | 8-core high-performance CPU + 10 TOPS NPU |
| Body Compute | 8-core high-performance CPU |
| Onboard AI Compute | NVIDIA Jetson Orin Nano 40 TOPS (built-in) |
| Audio | 4-array microphone + dual 3 W speakers |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, OTA updates |
| Power | External DC PSU included (optional Li-ion battery, ~1.5 h) |
| SDK & Interfaces | Linux-based framework, ROS 2, open APIs for arm/audio/vision/lighting |
| Controllers | Standard dual-hand controllers included |
| Warranty | 12 months on the entire unit |
What's in the Box
- Unitree R1-A5 Smart H Humanoid Robot (fixed base)
- Tendon-driven dexterous hands with biomimetic cable actuation (pre-installed, both arms)
- NVIDIA Jetson Orin Nano 40 TOPS compute module (pre-installed)
- External power supply & AC cable
- Binocular vision head module (pre-installed)
- 4-array microphone + dual speaker module (pre-installed)
- Standard dual-hand remote controllers
- Quick-start guide & safety manual
- Secondary development documentation access
R1-A5 Configuration Guide
Every configuration shares the same R1-A5 body — the difference is the end effector. Choose the one that matches your research goals:
| Config | Hand | Features |
|---|---|---|
| Smart A | Dex1-1 V2 | Entry-level parallel grippers, Orin Nano 40 TOPS |
| Smart B | Dex3-1 (RGB) | 3-finger dexterous hand with wrist RGB camera |
| Smart C | Dex3-1 Tactile (RGB) | 3-finger hand with tactile sensors + wrist RGB camera |
| Smart D | BrainCo Revo 2 Basic (RGB) | 5-finger anthropomorphic hand with wrist RGB camera |
| Smart E | BrainCo Revo 2 Tactile (RGB) | 5-finger hand with tactile sensors + wrist RGB camera |
| Smart F | LinkerBot O6 (RGB) | 6-DOF dexterous hand with wrist RGB camera |
| Smart G | LinkerBot O6 Tactile (RGB) | 6-DOF hand with tactile sensors + wrist RGB camera |
| Smart H | Tendon-driven dexterous hand | Advanced tendon-driven mechanism for research-grade dexterity |
* Specifications are based on manufacturer data and may vary slightly by production batch. Optional battery, compute module, and alternative end effectors sold separately.
Unitree® is a registered trademark of Unitree Robotics. Images are for reference; actual product appearance may differ.
Users must maintain a sufficient safety distance. This is a civilian robot — comply with local laws and regulations.
Unitree
by
Unitree
Unitree R1-A5 Smart H Humanoid Robot
SKU:
R1-A5-Smart-H
- Regular price
- $7,990.00
- Sale price
- $7,990.00
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Shipping calculated at checkout.
Providing the best new Tech Experience, Energy Independence and Robotics Ways of Optimisation
Providing the best new Tech Experience, Energy Independence and Robotics Ways of Optimisation
Packaging note:
Equipment is being supplied in a manufacturer packaging
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