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Official 14-DOF collaborative robotic arm system designed for the Unitree R1 humanoid robot platform. The R1-7a Professional D includes all features of the R1-7a Standard arm and comes equipped with the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera). With 14 total degrees of freedom (7 arm joints + 7 dexterous hand DOF), 33 tactile sensors with 10g~2500g sensing range, low-inertia high-speed inner-rotor PMSM motors delivering 44.3 lb·ft (60 N·m) max joint torque, and a lightweight 1.43 lb (650 g) dexterous hand, it provides the most advanced high-dexterity manipulation solution with full tactile and visual feedback. Available in left-arm and right-arm mirror-image versions.
The Unitree R1-7a Professional D Robotic Arm is the most advanced 14-DOF manipulation system in the R1-7a series, designed for the Unitree R1 humanoid robot platform. Building on the proven R1-7a Standard arm with its 7 degrees of freedom and 44.3 lb·ft (60 N·m) maximum joint torque, the Professional D variant adds the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera) as standard equipment, bringing the total system to 14 degrees of freedom (7 arm joints + 7 dexterous hand DOF).
The arm features low-inertia high-speed inner-rotor PMSM bionic joint motors with high torque and high burst output, housed in a lightweight metal body with engineering plastic components. The integrated Dex3-1 dexterous hand weighs just 1.43 lb (650 g) with dimensions of 6.9" x 3.5" x 3.0" (175 x 88 x 77 mm), features 7 DOF (thumb 3, index finger 2, middle finger 2), operates on 12~58V, includes 33 tactile sensors with 10g~2500g sensing range, and features an integrated RGB camera for visual feedback. Each arm joint utilizes dual encoders for precise feedback. Supports flexible mounting (upright, side, inverted) and offers high-speed 485 communication for the arm and USB for the hand.
7 arm joints plus 7 dexterous hand DOF deliver a fully integrated high-dexterity manipulation solution. Dex3-1 tactile three-finger hand with RGB camera included.
Integrated tactile sensing array with 10g~2500g range enables direct contact force measurement, slip detection, texture recognition, and adaptive grip control.
Force-controlled three-finger hand (tactile) with thumb 3 DOF, index 2 DOF, middle 2 DOF. 1.43 lb (650 g) weight, 12~58V operating voltage, USB interface.
7 independent joints driven by low-inertia high-speed inner-rotor PMSM bionic joint motors. High burst output enables robust manipulation and dynamic humanoid tasks.
Each of the 7 arm motors is equipped with a dual encoder system for redundant, high-resolution position feedback and reliable closed-loop control.
High-speed 485 for arm control and USB for dexterous hand communication. Enables coordinated control of arm and hand through unified system integration.
The R1-7a Professional D comes equipped with the Dex3-1 force-controlled three-finger dexterous hand (tactile), providing advanced manipulation capability with integrated tactile and visual feedback:
The Dex3-1 tactile dexterous hand features 33 integrated tactile sensors, providing direct contact force measurement across the hand surface:
The Dex3-1 dexterous hand features an integrated RGB camera, providing critical visual feedback directly at the point of manipulation:
The R1-7a Professional D is available in left-arm and right-arm versions, specifically designed for bimanual humanoid robot integration:
The R1-7a Professional D provides comprehensive real-time control and flexible integration options for humanoid robot applications:
High-speed 485 communication interface for the arm. Robust, noise-resistant protocol suitable for humanoid robot integration and industrial environments.
USB interface for the Dex3-1 dexterous hand. Standard interface for easy integration with host computers and robot control systems.
14 DOF (7 arm joints + 7 dexterous hand). Coordinated control of arm and hand through unified communication interfaces.
SDK and host computer control for seamless integration with humanoid robot control systems and research platforms.
Each R1-7a Professional D Robotic Arm package contains the following components:
| Arm | R1-7a Robotic Arm Unit | Complete 7-DOF robotic arm assembly with low-inertia high-speed inner-rotor PMSM motors, dual encoders, and industrial crossed-roller bearings. Specify left or right arm version. |
| Hand | Dex3-1 Tactile Dexterous Hand with RGB Camera (x1) | Standard equipment -- Dex3-1 force-controlled three-finger dexterous hand (tactile) with 7 DOF, 33 tactile sensors (10 g~2500 g range), 1.43 lb (650 g) weight, and integrated RGB camera. |
| Accessory Kit | Power & Data Module Kit (x1) | Power and data module accessory kit for integration with humanoid robot systems. Power must be supplied by user via XT30 port. |
| Documentation | Development Documentation | Comprehensive development documentation, SDK reference, API documentation, and ecosystem support materials. |
| Product Name | R1-7a Professional D Robotic Arm |
| Product Series | Unitree R1 Humanoid Robot Arm |
| Arm Version | Left-arm or Right-arm (mirror images, default right-arm for single-arm applications) |
| Total Degrees of Freedom | 14 (7 arm joints + 7 dexterous hand) |
| Arm Joint Motors | Low-inertia high-speed inner-rotor PMSM; bionic joint motor with high torque and high burst output |
| Max Joint Torque | 44.3 lb·ft (60 N·m) |
| Joint Feedback | Dual encoders |
| Hand Model | Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera) |
| Hand Weight | 1.43 lb (650 g) |
| Hand Dimensions | 6.9" x 3.5" x 3.0" (175 x 88 x 77 mm) |
| Hand DOF | 7 (thumb 3, index finger 2, middle finger 2) |
| Hand Operating Voltage | 12~58V DC |
| Hand Quiescent Current | 58V @ 0.2A |
| Hand Communication Interface | USB |
| Tactile Sensors | 33 sensors |
| Tactile Sensing Range | 10g~2500g (0.01 kg to 2.5 kg) |
| RGB Camera | Integrated in Dex3-1 Dexterous Hand |
| Arm Communication Protocol | High-speed 485 |
| Mounting Options | Upright, side, inverted |
| Supply Voltage | 24 V to 60 V DC |
| Power Consumption | Peak power 700 W; typical power ≤ 50 W |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Accessory Kit | Power & data module accessory kit x1 included |
| Warranty | 12-month warranty on the entire unit |
* Specifications are based on manufacturer data and may vary slightly by production batch.
* The R1-7a Professional D includes all features of the R1-7a Standard arm plus the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera).
* Left/right arm versions available (mirror images). Default is right-arm SKU for single-arm applications.
* RGB camera is integrated in the Dex3-1 dexterous hand for on-hand visual feedback.
* 33 tactile sensors with 10g~2500g sensing range provide direct contact force measurement.
* Power adapter NOT included. Power must be supplied by user via XT30 port (24V-60V). Peak power: 700W.
* Hand operating voltage: 12~58V DC. Quiescent current: 58V @ 0.2A. Communication interface: USB.
* Secondary development requires advanced programming skills and familiarity with multi-DOF robotics control.
* Unitree is a registered trademark of Unitree Robotics.
Official 14-DOF collaborative robotic arm system designed for the Unitree R1 humanoid robot platform. The R1-7a Professional D includes all features of the R1-7a Standard arm and comes equipped with the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera). With 14 total degrees of freedom (7 arm joints + 7 dexterous hand DOF), 33 tactile sensors with 10g~2500g sensing range, low-inertia high-speed inner-rotor PMSM motors delivering 44.3 lb·ft (60 N·m) max joint torque, and a lightweight 1.43 lb (650 g) dexterous hand, it provides the most advanced high-dexterity manipulation solution with full tactile and visual feedback. Available in left-arm and right-arm mirror-image versions.
The Unitree R1-7a Professional D Robotic Arm is the most advanced 14-DOF manipulation system in the R1-7a series, designed for the Unitree R1 humanoid robot platform. Building on the proven R1-7a Standard arm with its 7 degrees of freedom and 44.3 lb·ft (60 N·m) maximum joint torque, the Professional D variant adds the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera) as standard equipment, bringing the total system to 14 degrees of freedom (7 arm joints + 7 dexterous hand DOF).
The arm features low-inertia high-speed inner-rotor PMSM bionic joint motors with high torque and high burst output, housed in a lightweight metal body with engineering plastic components. The integrated Dex3-1 dexterous hand weighs just 1.43 lb (650 g) with dimensions of 6.9" x 3.5" x 3.0" (175 x 88 x 77 mm), features 7 DOF (thumb 3, index finger 2, middle finger 2), operates on 12~58V, includes 33 tactile sensors with 10g~2500g sensing range, and features an integrated RGB camera for visual feedback. Each arm joint utilizes dual encoders for precise feedback. Supports flexible mounting (upright, side, inverted) and offers high-speed 485 communication for the arm and USB for the hand.
7 arm joints plus 7 dexterous hand DOF deliver a fully integrated high-dexterity manipulation solution. Dex3-1 tactile three-finger hand with RGB camera included.
Integrated tactile sensing array with 10g~2500g range enables direct contact force measurement, slip detection, texture recognition, and adaptive grip control.
Force-controlled three-finger hand (tactile) with thumb 3 DOF, index 2 DOF, middle 2 DOF. 1.43 lb (650 g) weight, 12~58V operating voltage, USB interface.
7 independent joints driven by low-inertia high-speed inner-rotor PMSM bionic joint motors. High burst output enables robust manipulation and dynamic humanoid tasks.
Each of the 7 arm motors is equipped with a dual encoder system for redundant, high-resolution position feedback and reliable closed-loop control.
High-speed 485 for arm control and USB for dexterous hand communication. Enables coordinated control of arm and hand through unified system integration.
The R1-7a Professional D comes equipped with the Dex3-1 force-controlled three-finger dexterous hand (tactile), providing advanced manipulation capability with integrated tactile and visual feedback:
The Dex3-1 tactile dexterous hand features 33 integrated tactile sensors, providing direct contact force measurement across the hand surface:
The Dex3-1 dexterous hand features an integrated RGB camera, providing critical visual feedback directly at the point of manipulation:
The R1-7a Professional D is available in left-arm and right-arm versions, specifically designed for bimanual humanoid robot integration:
The R1-7a Professional D provides comprehensive real-time control and flexible integration options for humanoid robot applications:
High-speed 485 communication interface for the arm. Robust, noise-resistant protocol suitable for humanoid robot integration and industrial environments.
USB interface for the Dex3-1 dexterous hand. Standard interface for easy integration with host computers and robot control systems.
14 DOF (7 arm joints + 7 dexterous hand). Coordinated control of arm and hand through unified communication interfaces.
SDK and host computer control for seamless integration with humanoid robot control systems and research platforms.
Each R1-7a Professional D Robotic Arm package contains the following components:
| Arm | R1-7a Robotic Arm Unit | Complete 7-DOF robotic arm assembly with low-inertia high-speed inner-rotor PMSM motors, dual encoders, and industrial crossed-roller bearings. Specify left or right arm version. |
| Hand | Dex3-1 Tactile Dexterous Hand with RGB Camera (x1) | Standard equipment -- Dex3-1 force-controlled three-finger dexterous hand (tactile) with 7 DOF, 33 tactile sensors (10 g~2500 g range), 1.43 lb (650 g) weight, and integrated RGB camera. |
| Accessory Kit | Power & Data Module Kit (x1) | Power and data module accessory kit for integration with humanoid robot systems. Power must be supplied by user via XT30 port. |
| Documentation | Development Documentation | Comprehensive development documentation, SDK reference, API documentation, and ecosystem support materials. |
| Product Name | R1-7a Professional D Robotic Arm |
| Product Series | Unitree R1 Humanoid Robot Arm |
| Arm Version | Left-arm or Right-arm (mirror images, default right-arm for single-arm applications) |
| Total Degrees of Freedom | 14 (7 arm joints + 7 dexterous hand) |
| Arm Joint Motors | Low-inertia high-speed inner-rotor PMSM; bionic joint motor with high torque and high burst output |
| Max Joint Torque | 44.3 lb·ft (60 N·m) |
| Joint Feedback | Dual encoders |
| Hand Model | Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera) |
| Hand Weight | 1.43 lb (650 g) |
| Hand Dimensions | 6.9" x 3.5" x 3.0" (175 x 88 x 77 mm) |
| Hand DOF | 7 (thumb 3, index finger 2, middle finger 2) |
| Hand Operating Voltage | 12~58V DC |
| Hand Quiescent Current | 58V @ 0.2A |
| Hand Communication Interface | USB |
| Tactile Sensors | 33 sensors |
| Tactile Sensing Range | 10g~2500g (0.01 kg to 2.5 kg) |
| RGB Camera | Integrated in Dex3-1 Dexterous Hand |
| Arm Communication Protocol | High-speed 485 |
| Mounting Options | Upright, side, inverted |
| Supply Voltage | 24 V to 60 V DC |
| Power Consumption | Peak power 700 W; typical power ≤ 50 W |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Accessory Kit | Power & data module accessory kit x1 included |
| Warranty | 12-month warranty on the entire unit |
* Specifications are based on manufacturer data and may vary slightly by production batch.
* The R1-7a Professional D includes all features of the R1-7a Standard arm plus the Dex3-1 force-controlled three-finger dexterous hand (tactile, with RGB camera).
* Left/right arm versions available (mirror images). Default is right-arm SKU for single-arm applications.
* RGB camera is integrated in the Dex3-1 dexterous hand for on-hand visual feedback.
* 33 tactile sensors with 10g~2500g sensing range provide direct contact force measurement.
* Power adapter NOT included. Power must be supplied by user via XT30 port (24V-60V). Peak power: 700W.
* Hand operating voltage: 12~58V DC. Quiescent current: 58V @ 0.2A. Communication interface: USB.
* Secondary development requires advanced programming skills and familiarity with multi-DOF robotics control.
* Unitree is a registered trademark of Unitree Robotics.
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ab $11.900

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