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Mobile-Base Dual-Arm Humanoid Robot with Dex1-1 V2 Parallel Grippers, 7-DOF Arms, MID360 LiDAR & Onboard Orin NX 100 TOPS. 20 DOF, 7-DOF Arms. High-performance compute for advanced mobile manipulation research.
R1-A7-D Ultimate A — mobile-base humanoid with 7-DOF arms, Dex1-1 V2 parallel grippers, MID360 LiDAR, stereo vision & Orin NX 100 TOPS
The R1-A7-D Ultimate A is the high-performance entry point to the R1-A7-D Ultimate series. It pairs the R1-A7-D autonomous mobile base — complete with 7-DOF arms, MID360 LiDAR, stereo vision, and a removable chassis battery — with Dex1-1 V2 parallel grippers on both arms and the powerful NVIDIA Jetson Orin NX 100 TOPS compute module. With 2.5× the AI performance of the Smart series, the Ultimate A handles larger vision models, faster SLAM, and more complex planning algorithms — all while maintaining the same accessible, entry-level gripper configuration that makes it ideal for mobile manipulation research, education, and rapid prototyping.
The Dex1-1 V2 is a two-finger parallel gripper engineered for dependable, repeatable pick-and-place operations. Its simple yet robust design delivers consistent clamping force across a wide range of object sizes and geometries, making it the ideal starting point for mobile manipulation research. The V2 revision improves durability and response speed over the original Dex1-1, ensuring stable grasping even during fast arm motions or on a moving base. Pre-installed on both 7-DOF arms, the Dex1-1 V2 gives researchers a solid foundation for learning-based grasping, bin picking, tool use, and human-robot collaboration experiments without the complexity of multi-finger control.
Dex1-1 V2 parallel grippers — reliable two-finger grasping for foundational manipulation research
The R1-A7-D features seven degrees of freedom per arm — matching the kinematic complexity of the human upper limb. With a 555 mm reach (forearm + upper arm) and 120 Nm peak shoulder torque, these arms can reach around obstacles, maintain orientation while translating the end effector, and execute complex trajectories impossible for simpler 5- or 6-DOF manipulators. Crossed-roller and double-row ball bearings on every joint ensure smooth, precise motion with minimal backlash. Dual encoders per joint provide closed-loop accuracy for research-grade repeatability.
7-DOF redundant arms with 555 mm reach and 120 Nm shoulder torque
The built-in NVIDIA Jetson Orin NX delivers 100 TOPS of AI compute — a 2.5× leap over the Smart series' 40 TOPS. This extra headroom enables the Ultimate A to run larger vision-language models for natural-language task specification, real-time multi-object detection and tracking at higher frame rates, denser occupancy mapping for navigation in cluttered environments, and more complex motion planning algorithms that exploit the 7-DOF arm redundancy. The Orin NX also accelerates simulation-to-reality training pipelines, allowing researchers to deploy learned policies with lower latency and higher throughput. Pre-installed and thermally integrated with the chassis cooling system, the module runs entirely onboard with no external GPU server or cloud dependency.
The R1-A7-D chassis adds 3 degrees of freedom to the upper body: a telescopic pillar for height adjustment and a 2-DOF wheeled base for omnidirectional navigation. Combined with the MID360 LiDAR and stereo camera head, the robot builds real-time maps, plans paths, and avoids obstacles autonomously — then stops precisely to manipulate. The removable lithium-ion battery in the chassis delivers approximately 1.5 hours of untethered operation. Please note: the upper body of this model does not accept a battery.
Ultimate A processes data from two complementary sensors: a MID360 360° LiDAR for metrically accurate mapping and long-range obstacle detection, and a binocular camera head (146°×124° FOV, 60 mm baseline) for colour vision, object recognition, and depth estimation. Fused on the Orin NX 100 TOPS, this dual-modality perception stack supports research in visual-LiDAR SLAM, semantic navigation, and active perception for mobile manipulation — all with significantly more computational headroom than the Smart series.
A binocular camera head delivers a 146° × 124° field of view with a 60 mm stereo baseline for scene-level understanding. RGB streams at 1280×720@30 Hz and depth at 544×448@10 Hz. Combined with the MID360 LiDAR, the R1-A7-D Ultimate A offers a complete perception stack for research in visual servoing, semantic navigation, and vision-guided manipulation. The Orin NX 100 TOPS enables running larger vision backbones and more sophisticated fusion algorithms entirely onboard.
Four-array beamforming microphones and dual 3 W speakers enable clear voice capture and synthesis in noisy labs, warehouses, or classrooms. The open audio framework supports custom wake words, multilingual TTS, and integration with LLMs for conversational command-and-control — even while the base is in motion. The extra compute headroom of the Orin NX 100 TOPS allows running larger speech recognition and language models locally.
At 683 × 520 × 440 mm collapsed (1323 mm elevated), the R1-A7-D Ultimate A navigates standard doorways, elevators, and lab aisles. The telescopic pillar lowers the upper body for transport and raises it for manipulation. At approximately 32 kg with battery, it is a self-contained mobile research platform — no external compute rack, no tether cables during operation.
Collapsed (683 mm) and elevated (1323 mm) configurations for navigation and manipulation
Unitree provides a mature, Linux-based robot development framework with open APIs for the underlying system, robotic arms, mobile base, audio, lighting, and visual control. ROS 2 native support, dual encoders on every arm joint, hollow internal wiring, and low-inertia, high-speed inner-rotor permanent magnet synchronous motors make the R1-A7-D Ultimate A a clean slate for reinforcement learning, mobile manipulation research, embodied AI, and autonomous navigation studies. The built-in Orin NX 100 TOPS handles perception and planning locally without external hardware, with enough headroom for large-model inference and multi-task learning.
Ultimate A is the high-performance entry-level configuration with maximum compute. Expand capability as your research evolves:
| Model | Unitree R1-A7-D Ultimate A (Mobile Base) |
| Dimensions (Collapsed) | 683 × 520 × 440 mm (H × W × D) |
| Dimensions (Elevated) | 1323 × 520 × 440 mm (H × W × D) |
| Weight (with Battery) | ~32 kg |
| Total DOF | 20 (Arm 7×2, Waist 1, Head 2, Pillar 1, Base 2) |
| Arm Reach | 555 mm (forearm + upper arm) |
| Peak Shoulder Torque | 120 Nm |
| Max Arm Payload | ~2 kg (posture-dependent) |
| End-Effector Precision | ±0.1 mm |
| End Effectors | Dex1-1 V2 parallel grippers (both arms, pre-installed) |
| Wrist Cameras | Not included (optional) |
| Tactile Sensing | Not included (optional) |
| Vision | Binocular camera — RGB 1280×720@30 Hz, Depth 544×448@10 Hz, FOV 146°×124° |
| LiDAR | MID360 360° LiDAR (chassis-integrated) |
| Head Compute | 8-core high-performance CPU + 10 TOPS NPU |
| Body Compute | 8-core high-performance CPU |
| Onboard AI Compute | NVIDIA Jetson Orin NX 100 TOPS (built-in) |
| Audio | 4-array microphone + dual 3 W speakers |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, OTA updates |
| Power | Removable chassis Li-ion battery (~1.5 h) + external DC PSU. Upper body does not accept a battery. |
| Joint Bearings | Crossed-roller + Double-row ball bearings |
| Joint Motor | Low-inertia, high-speed, inner-rotor permanent magnet synchronous motor |
| Joint Encoders | Dual + Single per joint |
| Cabling | Hollow + Internal routing |
| Cooling | Localized air cooling |
| Waist Motion | Y: ±150° |
| Head Motion | Y: ±115°, P: ±36° |
| SDK & Interfaces | Linux-based framework, ROS 2, open APIs for arm/base/audio/vision/lighting. Dual encoders per joint. |
| Controllers | Standard dual-hand controllers included |
| Rear Port Power | Yes |
| Smart OTA | Supported |
| Warranty | 12 months on the entire unit |
Every configuration shares the same R1-A7-D mobile base with 7-DOF arms — the difference is the compute module and end effector. Choose the one that matches your research goals:
| Config | Hand | Compute | Features |
|---|---|---|---|
| Ultimate A | Dex1-1 V2 | Orin NX 100 TOPS | Entry-level parallel grippers, 7-DOF arms, high-performance AI compute, MID360 LiDAR |
| Ultimate B | Dex3-1 (RGB) | Orin NX 100 TOPS | 3-finger dexterous hand with wrist RGB camera |
| Ultimate C | Dex3-1 Tactile (RGB) | Orin NX 100 TOPS | 3-finger hand with tactile sensors + wrist RGB camera |
| Ultimate D | BrainCo Revo 2 Basic (RGB) | Orin NX 100 TOPS | 5-finger anthropomorphic hand with wrist RGB camera |
| Ultimate E | BrainCo Revo 2 Tactile (RGB) | Orin NX 100 TOPS | 5-finger hand with tactile sensors + wrist RGB camera |
| Ultimate F | LinkerBot O6 (RGB) | Orin NX 100 TOPS | 6-DOF dexterous hand with wrist RGB camera |
| Ultimate G | LinkerBot O6 Tactile (RGB) | Orin NX 100 TOPS | 6-DOF hand with tactile sensors + wrist RGB camera, 130 N grip |
| Ultimate H | Tendon-driven dexterous hand | Orin NX 100 TOPS | Advanced tendon-driven mechanism for biomimetic dexterity, compliant manipulation |
* Specifications are based on manufacturer data and may vary slightly by production batch. Optional wrist cameras, tactile sensors, compute modules, 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.
Mobile-Base Dual-Arm Humanoid Robot with Dex1-1 V2 Parallel Grippers, 7-DOF Arms, MID360 LiDAR & Onboard Orin NX 100 TOPS. 20 DOF, 7-DOF Arms. High-performance compute for advanced mobile manipulation research.
R1-A7-D Ultimate A — mobile-base humanoid with 7-DOF arms, Dex1-1 V2 parallel grippers, MID360 LiDAR, stereo vision & Orin NX 100 TOPS
The R1-A7-D Ultimate A is the high-performance entry point to the R1-A7-D Ultimate series. It pairs the R1-A7-D autonomous mobile base — complete with 7-DOF arms, MID360 LiDAR, stereo vision, and a removable chassis battery — with Dex1-1 V2 parallel grippers on both arms and the powerful NVIDIA Jetson Orin NX 100 TOPS compute module. With 2.5× the AI performance of the Smart series, the Ultimate A handles larger vision models, faster SLAM, and more complex planning algorithms — all while maintaining the same accessible, entry-level gripper configuration that makes it ideal for mobile manipulation research, education, and rapid prototyping.
The Dex1-1 V2 is a two-finger parallel gripper engineered for dependable, repeatable pick-and-place operations. Its simple yet robust design delivers consistent clamping force across a wide range of object sizes and geometries, making it the ideal starting point for mobile manipulation research. The V2 revision improves durability and response speed over the original Dex1-1, ensuring stable grasping even during fast arm motions or on a moving base. Pre-installed on both 7-DOF arms, the Dex1-1 V2 gives researchers a solid foundation for learning-based grasping, bin picking, tool use, and human-robot collaboration experiments without the complexity of multi-finger control.
Dex1-1 V2 parallel grippers — reliable two-finger grasping for foundational manipulation research
The R1-A7-D features seven degrees of freedom per arm — matching the kinematic complexity of the human upper limb. With a 555 mm reach (forearm + upper arm) and 120 Nm peak shoulder torque, these arms can reach around obstacles, maintain orientation while translating the end effector, and execute complex trajectories impossible for simpler 5- or 6-DOF manipulators. Crossed-roller and double-row ball bearings on every joint ensure smooth, precise motion with minimal backlash. Dual encoders per joint provide closed-loop accuracy for research-grade repeatability.
7-DOF redundant arms with 555 mm reach and 120 Nm shoulder torque
The built-in NVIDIA Jetson Orin NX delivers 100 TOPS of AI compute — a 2.5× leap over the Smart series' 40 TOPS. This extra headroom enables the Ultimate A to run larger vision-language models for natural-language task specification, real-time multi-object detection and tracking at higher frame rates, denser occupancy mapping for navigation in cluttered environments, and more complex motion planning algorithms that exploit the 7-DOF arm redundancy. The Orin NX also accelerates simulation-to-reality training pipelines, allowing researchers to deploy learned policies with lower latency and higher throughput. Pre-installed and thermally integrated with the chassis cooling system, the module runs entirely onboard with no external GPU server or cloud dependency.
The R1-A7-D chassis adds 3 degrees of freedom to the upper body: a telescopic pillar for height adjustment and a 2-DOF wheeled base for omnidirectional navigation. Combined with the MID360 LiDAR and stereo camera head, the robot builds real-time maps, plans paths, and avoids obstacles autonomously — then stops precisely to manipulate. The removable lithium-ion battery in the chassis delivers approximately 1.5 hours of untethered operation. Please note: the upper body of this model does not accept a battery.
Ultimate A processes data from two complementary sensors: a MID360 360° LiDAR for metrically accurate mapping and long-range obstacle detection, and a binocular camera head (146°×124° FOV, 60 mm baseline) for colour vision, object recognition, and depth estimation. Fused on the Orin NX 100 TOPS, this dual-modality perception stack supports research in visual-LiDAR SLAM, semantic navigation, and active perception for mobile manipulation — all with significantly more computational headroom than the Smart series.
A binocular camera head delivers a 146° × 124° field of view with a 60 mm stereo baseline for scene-level understanding. RGB streams at 1280×720@30 Hz and depth at 544×448@10 Hz. Combined with the MID360 LiDAR, the R1-A7-D Ultimate A offers a complete perception stack for research in visual servoing, semantic navigation, and vision-guided manipulation. The Orin NX 100 TOPS enables running larger vision backbones and more sophisticated fusion algorithms entirely onboard.
Four-array beamforming microphones and dual 3 W speakers enable clear voice capture and synthesis in noisy labs, warehouses, or classrooms. The open audio framework supports custom wake words, multilingual TTS, and integration with LLMs for conversational command-and-control — even while the base is in motion. The extra compute headroom of the Orin NX 100 TOPS allows running larger speech recognition and language models locally.
At 683 × 520 × 440 mm collapsed (1323 mm elevated), the R1-A7-D Ultimate A navigates standard doorways, elevators, and lab aisles. The telescopic pillar lowers the upper body for transport and raises it for manipulation. At approximately 32 kg with battery, it is a self-contained mobile research platform — no external compute rack, no tether cables during operation.
Collapsed (683 mm) and elevated (1323 mm) configurations for navigation and manipulation
Unitree provides a mature, Linux-based robot development framework with open APIs for the underlying system, robotic arms, mobile base, audio, lighting, and visual control. ROS 2 native support, dual encoders on every arm joint, hollow internal wiring, and low-inertia, high-speed inner-rotor permanent magnet synchronous motors make the R1-A7-D Ultimate A a clean slate for reinforcement learning, mobile manipulation research, embodied AI, and autonomous navigation studies. The built-in Orin NX 100 TOPS handles perception and planning locally without external hardware, with enough headroom for large-model inference and multi-task learning.
Ultimate A is the high-performance entry-level configuration with maximum compute. Expand capability as your research evolves:
| Model | Unitree R1-A7-D Ultimate A (Mobile Base) |
| Dimensions (Collapsed) | 683 × 520 × 440 mm (H × W × D) |
| Dimensions (Elevated) | 1323 × 520 × 440 mm (H × W × D) |
| Weight (with Battery) | ~32 kg |
| Total DOF | 20 (Arm 7×2, Waist 1, Head 2, Pillar 1, Base 2) |
| Arm Reach | 555 mm (forearm + upper arm) |
| Peak Shoulder Torque | 120 Nm |
| Max Arm Payload | ~2 kg (posture-dependent) |
| End-Effector Precision | ±0.1 mm |
| End Effectors | Dex1-1 V2 parallel grippers (both arms, pre-installed) |
| Wrist Cameras | Not included (optional) |
| Tactile Sensing | Not included (optional) |
| Vision | Binocular camera — RGB 1280×720@30 Hz, Depth 544×448@10 Hz, FOV 146°×124° |
| LiDAR | MID360 360° LiDAR (chassis-integrated) |
| Head Compute | 8-core high-performance CPU + 10 TOPS NPU |
| Body Compute | 8-core high-performance CPU |
| Onboard AI Compute | NVIDIA Jetson Orin NX 100 TOPS (built-in) |
| Audio | 4-array microphone + dual 3 W speakers |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, OTA updates |
| Power | Removable chassis Li-ion battery (~1.5 h) + external DC PSU. Upper body does not accept a battery. |
| Joint Bearings | Crossed-roller + Double-row ball bearings |
| Joint Motor | Low-inertia, high-speed, inner-rotor permanent magnet synchronous motor |
| Joint Encoders | Dual + Single per joint |
| Cabling | Hollow + Internal routing |
| Cooling | Localized air cooling |
| Waist Motion | Y: ±150° |
| Head Motion | Y: ±115°, P: ±36° |
| SDK & Interfaces | Linux-based framework, ROS 2, open APIs for arm/base/audio/vision/lighting. Dual encoders per joint. |
| Controllers | Standard dual-hand controllers included |
| Rear Port Power | Yes |
| Smart OTA | Supported |
| Warranty | 12 months on the entire unit |
Every configuration shares the same R1-A7-D mobile base with 7-DOF arms — the difference is the compute module and end effector. Choose the one that matches your research goals:
| Config | Hand | Compute | Features |
|---|---|---|---|
| Ultimate A | Dex1-1 V2 | Orin NX 100 TOPS | Entry-level parallel grippers, 7-DOF arms, high-performance AI compute, MID360 LiDAR |
| Ultimate B | Dex3-1 (RGB) | Orin NX 100 TOPS | 3-finger dexterous hand with wrist RGB camera |
| Ultimate C | Dex3-1 Tactile (RGB) | Orin NX 100 TOPS | 3-finger hand with tactile sensors + wrist RGB camera |
| Ultimate D | BrainCo Revo 2 Basic (RGB) | Orin NX 100 TOPS | 5-finger anthropomorphic hand with wrist RGB camera |
| Ultimate E | BrainCo Revo 2 Tactile (RGB) | Orin NX 100 TOPS | 5-finger hand with tactile sensors + wrist RGB camera |
| Ultimate F | LinkerBot O6 (RGB) | Orin NX 100 TOPS | 6-DOF dexterous hand with wrist RGB camera |
| Ultimate G | LinkerBot O6 Tactile (RGB) | Orin NX 100 TOPS | 6-DOF hand with tactile sensors + wrist RGB camera, 130 N grip |
| Ultimate H | Tendon-driven dexterous hand | Orin NX 100 TOPS | Advanced tendon-driven mechanism for biomimetic dexterity, compliant manipulation |
* Specifications are based on manufacturer data and may vary slightly by production batch. Optional wrist cameras, tactile sensors, compute modules, 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.
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