Unitree R1-A7 Smart C Humanoid Robot

Bolt two industrial arms to a bench and you have a workcell. Give those arms a turning waist, a head that sees in stereo and hands that report the pressure of every grasp, and you have something far closer to a colleague at the workbench. The Unitree R1-A7 Smart C Humanoid Robot sits in that second category: a stationary upper body whose two seven-joint arms, sensor head and haptic three-finger hands are arranged for the research problems that start when a robot has to handle real objects rather than simply move between positions.

Robots Middle East supplies the Unitree R1-A7 Smart C to universities, research institutes, innovation centres and system integrators across the Middle East. Our team prepares each quotation for the exact configuration requested, arranges delivery and import formalities into the destination country, and remains the point of contact for technical support once the robot is installed in your laboratory.

Background

Unitree and the R1-A7 platform

Unitree Robotics built its reputation on agile legged machines and has since extended its range into humanoid and manipulation platforms aimed at research and development. The R1-A7 is the 7-DoF-per-arm version of Unitree's dual-arm manipulation platform: two 7-DoF arms with 555 mm of reach, a rotating waist and a 2-DoF sensor head. Despite the word humanoid in its name, it is a torso rather than a walking robot. The family is offered in lettered Smart configurations that differ mainly in the end effector, from the Dex1-1 gripper of the Smart A through Dex3-1, Revo 2, Linker Hand O6 and tendon-driven hand options, alongside the R1-A7-D mobile base. The full range is gathered under the Unitree R1-A7 category.

Touch as the deciding feature

Within that line-up, the Smart C pairs the force-controlled Dex3-1 three-finger hand with haptic sensing. Each hand carries 33 haptic sensors that register contact from 10 g to 2500 g, and the complete system offers 31 degrees of freedom. That combination matters because many manipulation tasks fail not at the planning stage but at the moment of contact: a cup that slips, a cable that is pinched too hard, a soft package that deforms. Tactile feedback turns those moments into measurable data, which is why this configuration suits laboratories that treat contact as the subject of study rather than an afterthought.

Technical Specifications

Specifications are as published by the manufacturer and are confirmed against the datasheet at quotation.

Unitree has not published the IP rating, the operating temperature range, the top speed, the charging time or the battery capacity; Robots Middle East confirms these details at quotation.

What does the Smart C add over the Smart B?

The Smart B and the Smart C share the same Dex3-1 force-controlled three-finger hand, so the mechanical grasp is common to both. The difference lies in what the hand can report. The Smart C expands the hand with 33 haptic sensors on each side, covering a range from 10 g to 2500 g. In practical terms, the B can close on an object with controlled force, while the C can also tell the researcher where contact occurred and how firmly it is being held.

For a team training grasping policies, that extra channel changes the character of the data. Vision alone shows that a gripper has closed around a bottle; tactile readings show whether the grip is centred, whether it is tightening as the bottle is lifted and whether one finger has lost contact. Combined with the binocular head camera and the 40 TOPS expansion dock of the Smart series, the Smart C gives a lab a single platform on which visual and tactile inputs can be recorded and processed together, rather than bolting third-party sensors onto a bare hand.

Why choose a torso rather than a walking humanoid?

A walking humanoid spends a considerable share of its engineering, its power and its research attention on staying upright. The R1-A7 does not walk, and that is a deliberate choice. On the desk-mount it stands at 835 x 357 x 190 mm and weighs about 13 kg, small enough to share a bench with the objects it manipulates. Most benchtop work is done on external power, so experiments are not interrupted by battery changes, although about 1.5 hours of battery operation is available when the robot needs to be moved.

The stationary base also suits precision. The desk-mount arms reach an end-clamp repeatability of ±0.1 mm and a maximum shoulder torque of 60 Nm, and the waist turns through ±150°, so the two arms can sweep a wide working area on either side without the platform shifting. For manipulation research, a stable reference frame is often worth more than mobility.

Who is the Unitree R1-A7 Smart C Humanoid Robot for?

The clearest fit is a research group whose work depends on contact: tactile grasping, in-hand manipulation, dexterous assembly or learning from demonstration with force and touch data. University robotics departments will find a platform that students can program through open interfaces to the underlying system, the arms, audio, lighting and vision. AI laboratories developing embodied models gain a body with stereo vision, voice input and on-board compute that can be extended for local inference. System integrators evaluating dual-arm automation for delicate handling can use it to test whether tactile feedback justifies the investment before scaling up.

Not every buyer needs touch. A team that wants the same Dex3-1 hand without the haptic layer may be better served by the Unitree R1-A7 Smart B Humanoid Robot. Where a simple parallel grasp is enough, the Unitree R1-A7 Smart A Humanoid Robot with its Dex1-1 gripper is the more direct choice. Laboratories that prefer the Revo 2 hand can compare the Unitree R1-A7 Smart D Humanoid Robot and, with haptics, the Unitree R1-A7 Smart E Humanoid Robot. Our team at Robots Middle East is glad to advise on which hand suits a given research programme.

What is the Unitree R1-A7 Smart C Humanoid Robot used for?

1. Tactile grasping research: studying how contact pressure and location shape a stable grasp on fragile or irregular objects.
2. Embodied AI data collection: recording synchronised vision, joint and touch data to train manipulation policies.
3. Bimanual manipulation: coordinating two seven-joint arms for tasks such as handing over, holding and fastening.
4. On-device model deployment: running perception and planning models locally on the Smart series expansion dock.
5. Human–robot interaction: exploring spoken instructions through the microphone array and speakers alongside physical tasks.
6. Robotics education: teaching kinematics, control and software development on a platform with open interfaces.

Pricing and Availability

Robots Middle East supplies the Unitree R1-A7 Smart C on the basis of a written quotation prepared for your institution, your chosen options such as wrist cameras, and your destination. Delivery, customs clearance and after-sales support are arranged together with the quotation. To begin, send us your requirements through the quotation request available on this page.

Frequently Asked Questions

Does the Unitree R1-A7 Smart C walk?

No. It is a torso with two arms, a rotating waist and a sensor head, intended for bench-based manipulation work.

How sensitive are the haptic sensors?

Each hand carries 33 haptic sensors that register contact from 10 g to 2500 g. This allows both light touches and firm grips to be measured.

How does the Smart C differ from the Smart B?

Both use the Dex3-1 force-controlled three-finger hand. The Smart C adds the haptic sensor array to each hand.

How much can each arm lift?

Each arm handles 2 to 4 kg, and the figure depends strongly on how far the arm is extended. Heavier loads are carried closer to the body.

Can it run without the battery?

Yes. The robot runs on external power, which is how most benchtop work is done, and offers about 1.5 hours on battery on the desk-mount.

Can we develop our own software for it?

Yes. Unitree provides open interfaces for the underlying system, the arms, audio, lighting and vision, with full secondary development support and an Open SDK on the Smart series expansion dock.

Where can I buy the Unitree R1-A7 Smart C Humanoid Robot and what does it cost?

You can buy it from Robots Middle East, which supplies customers across the Middle East. The cost depends on configuration, options and destination, so we provide it in a written quotation on request.

Summary

The gap between a workcell and a working colleague is measured in perception and touch. The Unitree R1-A7 Smart C closes much of that gap: two seven-joint arms on a stable desk-mount, a binocular head with a wide field of view, on-board compute expandable through the Smart series dock, and Dex3-1 hands that sense contact through 33 haptic sensors each. It gives up walking in exchange for precision and a bench-sized footprint, which is the right trade for laboratories that study how robots handle the physical world. For research teams and integrators across the Middle East planning their next manipulation platform, this page is the starting point.