H2-A Standard J — upper-body humanoid with Inspire DFQ five-finger dexterous hands, 6 DOF + 12 joints per hand

What's in This Configuration

The H2-A Standard J introduces the BrainCo Revo 3 U21 five-finger dexterous hand — the highest-DOF end effector in the H2-A lineup with 21 active DOF per hand (4 fingers × 4 + thumb × 5). This ultra-dexterous hand delivers 20 N fingertip pinch force and an impressive 70 N full palm grip force for robust object handling and power grasps. With a 3 Hz max opening/closing speed and 500 Hz control frequency, the Revo 3 U21 responds with exceptional agility and precision. The wide 12–80V operating voltage range ensures compatibility with diverse power setups. At 61 total DOF — the highest in the H2-A series — Standard J unlocks unprecedented hand dexterity for advanced manipulation research, sign language, and human-like gesture synthesis.

Dual 7-DOF Arms. Industrial-Grade Kinematics. Human-Like Dexterity.

The H2-A Standard J is engineered around two 7-DOF high-performance arms, each driven by low-inertia inner-rotor PMSM motors with crossed-roller and double-row ball bearings. With 600 mm reach and a ~7 kg rated payload per arm (up to ~15 kg peak), it handles precise assembly, heavy pick-and-place, and industrial manipulation research with human-like fluidity. The extra two degrees of freedom per arm provide kinematic redundancy — the arm can maintain end-effector pose while reconfiguring its elbow to avoid obstacles, reach around corners, or optimize for natural motion. Dual encoders on every joint deliver closed-loop precision down to ±0.1 mm.

 

Multimodal Perception & Natural Interaction: Integrating binocular vision with natural language interaction, H2-A enables intuitive and natural human–robot collaboration.

BrainCo Revo 3 U21 Five-Finger Dexterous Hands — Feel What You Grasp

The BrainCo Revo 3 U21 is a 21-DOF five-finger dexterous hand engineered for maximum articulation and human-like finger independence. With 4 DOF per finger and 5 DOF on the thumb, it achieves finer in-hand manipulation, more natural finger spreading, and richer gesture vocabulary than any other hand in the H2-A series. The hand delivers 20 N fingertip pinch force and a commanding 70 N full palm grip force — enough for robust power grasps and tool manipulation. A 3 Hz max opening/closing speed combined with 500 Hz internal control frequency ensures smooth, responsive motion with minimal latency. The wide 12–80V operating range provides flexibility across lab and industrial power environments. The integrated wrist RGB camera adds visual confirmation for grasp verification and gesture tracking. At 61 total DOF, the Revo 3 U21 is the ultimate platform for dexterous manipulation, sign language research, and expressive human-robot interaction.

3-DOF Waist — Expand Your Workspace

The 3-DOF waist joint provides full torso articulation — yaw, pitch, and roll — dramatically expanding the robot's reachable workspace without moving the base. In a seated or standing deployment, the waist allows the robot to turn and manipulate objects on either side, hand objects from one hand to the other across the body, bend forward for floor-level picking, and orient toward humans or workstations. Combined with 7-DOF arms and Revo 3 U21 five-finger dexterous hands, the H2-A achieves human-like reach envelopes that cover a full sphere of workspace — ideal for bimanual manipulation, in-hand reorientation, and human-robot interaction research.

Dual Intel Compute — Power for Control & Development

The H2-A Standard J ships with a built-in dual-compute architecture: PC1 runs an Intel Core i5 for real-time platform functionality and motion control, while PC2 provides an Intel Core i7 dedicated to user development. This separation ensures deterministic robot behavior while giving researchers full freedom to experiment. Optional expansion slots (PC3 for NVIDIA Jetson Thor, PC4 for Intel i7 or Jetson Orin NX) future-proof the platform as your AI ambitions grow.

Binocular Vision & AI Perception

A wide-angle humanoid-style binocular camera head delivers a broad field of view for spatial awareness. Paired with an 8-core high-performance CPU + 10 TOPS NPU in the head module, plus the dual Intel compute in the body, it runs visual perception, object detection, and gesture recognition locally — no cloud required. The Revo 3 U21 wrist cameras add close-up visual feedback for precision grasping and finger tracking.

Voice Collaboration & Natural Interaction

Array beamforming microphones and high-power speakers enable clear voice capture and synthesis in noisy labs or industrial floors. The open audio framework supports custom wake words, multilingual TTS, and integration with LLMs for conversational command-and-control.

Compact. Industrial-Grade. Desk-Ready.

At just 780 × 444 × 200 mm and approximately 34.4 kg (with battery), the H2-A Standard J fits on a reinforced lab bench or industrial workstation. The compact footprint leaves room for objects, tools, and sensors around the robot. Power via the included upper-body Li-ion battery for ~8 hours of untethered operation, or connect the external power supply for 24/7 continuous use.

 

Comprehensive SDKs and APIs, together with a mature manipulation and perception software stack, enable developers to focus on application innovation while reducing development cycles from months to weeks.

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 H2-A Standard J a clean slate for reinforcement learning, teleoperation research, and embodied AI. The dual Intel compute handles model training and inference without external hardware.

Upgrade Path — Grow With Your Research

Standard I adds full tactile sensing with high grip force. Further upgrade your research capabilities:

• End Effectors — Upgrade to Revo 3 U21T (tactile), Revo 3 U21VT (visuo-tactile), LinkerBot Hand O6, WUJI Hand 2, or other dexterous hands.
• Wrist Cameras — Already included with Revo 3 U21. All upgrade hands include wrist RGB cameras for close-up visual feedback and grasp verification.
• Compute Module — Add NVIDIA Jetson Thor (PC3) or Intel Core i7 / Jetson Orin NX (PC4) to unlock massive AI performance for embodied intelligence research.
• Upper-Body Battery — Included as standard equipment. Provides ~8 hours of cord-free operation.

Designed For

Technical Specifications