The UAV-R22-1 (UART) Obstacle Avoidance Radar is a lightweight mmWave radar sensor developed and manufactured by Microbrain Intelligent. It offers high measurement accuracy, compact size, high sensitivity, and stable performance, making it easy to integrate into various systems.
Looking for 77-81ghz? 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 (UART) is available at Zbotic with fast shipping across India.
The UAV-R22-1 (UART) Obstacle Avoidance Radar is a lightweight mmWave radar sensor developed and manufactured by Microbrain Intelligent. It offers high measurement accuracy, compact size, high sensitivity, and stable performance, making it easy to integrate into various systems. Using a fan-shaped 77GHz electromagnetic wave, the radar processes the echo signals to detect obstacles ahead. It provides real-time data on the relative distance, speed, and orientation of obstacles, helping guide the radar-equipped platforms, such as drones, to avoid collisions and ensure safe operation.
Features:
2T4R MIMO array antenna design,±15°azimuth FOV,High angular resolution and angular detection accuracy；
Operating frequency is 77GHz~81GHz，sensitive to moving target, high range detection accuracy；
Effective detection distance 27m
Support UART protocol output，Default baud rate115200；
Single chip DSP+ARM dual-core architecture signal processing and control unit , radar data processing, target detection, target tracking and other algorithms are runned on the internal high-speed digital signal processor
Specification
Model Type
Avoidance Radar Sensor
Model
UAV-R22-1
Frequency(GHz)
79
Temp. Measuring Range (°C):
-40 to 85
Power Consumption (W)
3
Communication Mode
UART
Package Includes:
1 x 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 (UART)
The UAV-R22-1 (UART) Obstacle Avoidance Radar is a compact 77–81 GHz mmWave sensor designed for real-time detection of obstacles using fan-shaped electromagnetic waves. Ideal for drones and unmanned platforms, it measures relative distance, speed, and orientation to help avoid collisions and ensure safe operation.
Key Features of 77-81GHz Obstacle avoidance radar sensor UAV-R22-1
2T4R MIMO array antenna design for enhanced angular resolution
±15° azimuth field of view to cover forward detection area
High measurement accuracy with stable performance over varying conditions
Lightweight and compact form factor for easy integration on UAVs
UART interface for simple serial communication and data retrieval
High sensitivity to detect small or low-reflectivity obstacles at range
Fast shipping from Zbotic across India
Applications and Use Cases
Forward collision avoidance on multi-rotor and fixed-wing drones
Anti-collision systems for autonomous ground vehicles
Robotic navigation in warehouses and industrial environments
Advanced driver-assistance system (ADAS) research and prototyping
How to Use 77-81GHz Obstacle avoidance radar sensor UAV-R22-1
Mount the UAV-R22-1 securely on your platform’s front-facing section, connect power (3.3 V/5 V) and UART TX/RX lines to your controller, then configure UART parameters via a serial terminal. Once powered, the radar continuously streams distance, speed, and angle data over UART, which you can parse in your flight or navigation software to trigger avoidance maneuvers.
Why Buy from Zbotic?
Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What communication interface does the UAV-R22-1 use?
The UAV-R22-1 communicates via a standard UART (TTL-level) interface, allowing easy connection to microcontrollers, flight controllers, and single-board computers.
What detection capabilities does this radar offer?
Using a 77–81 GHz fan-shaped beam and 2T4R MIMO design, it provides real-time measurement of obstacle distance, relative speed, and azimuth angle within a ±15° field of view.
How do I integrate this radar with a flight controller?
After wiring power and UART lines to the flight controller’s serial port, configure the serial baud rate and data format to match the radar. Parse the incoming data stream for distance and angle values, then feed them into your collision-avoidance algorithm or autopilot software.
The 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 (UART) is a versatile radar sensor used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
Integrating into a custom electronics project
Learning and experimenting with circuits
Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Genuine Microbrain Intelligent product sourced from authorized channels
Weight
0.16 kg
Country Of Origin: China
31 reviews for 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 (UART)
Rated 5 out of 5
Harshit Rathore (verified owner)–
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Rated 3 out of 5
Tarun Pandey (verified owner)–
Average 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings fluctuate a bit. Works for rough measurements.
Rated 5 out of 5
Vikram Rajan (verified owner)–
Perfect for my weather station. This 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 gives consistent readings day and night.
Rated 4 out of 5
Isha Parekh (verified owner)–
Nice 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 5 out of 5
Kabir Mishra (verified owner)–
Bought this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my college project. Accurate readings, easy to code. Very happy!
Rated 5 out of 5
Kartik Sethi (verified owner)–
Excellent sensitivity and range on this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works better than I expected.
Rated 5 out of 5
Gaurav Sen (verified owner)–
Excellent sensitivity and range on this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works better than I expected.
Rated 5 out of 5
Mayank Luthra –
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Rated 5 out of 5
Sandeep Parekh –
Excellent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1! Readings are accurate and consistent. Perfect for my project.
Rated 5 out of 5
Vivek Tandon (verified owner)–
Love this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Response time is fast and readings are stable.
Rated 5 out of 5
Sarthak Panchal (verified owner)–
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Rated 5 out of 5
Anirudh Kumar (verified owner)–
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Rated 5 out of 5
Zubin Banerjee (verified owner)–
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Rated 5 out of 5
Vikram Chauhan –
Bought this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my college project. Accurate readings, easy to code. Very happy!
Rated 5 out of 5
Lalit Krishnan (verified owner)–
Great 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Using it in my smart agriculture system. Reliable measurements every time.
Rated 5 out of 5
Kunal Parekh (verified owner)–
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Rated 5 out of 5
Rajesh Verma –
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Rated 5 out of 5
Vijay Pandey (verified owner)–
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Rated 4 out of 5
Gaurav Kapoor –
Pretty good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Documentation could be better but the sensor itself is solid.
Rated 4 out of 5
Shruti Shah –
Good quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Some variation in readings but within acceptable range.
Rated 5 out of 5
Anjali Singh (verified owner)–
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Rated 5 out of 5
Kritika Modi (verified owner)–
Excellent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1! Readings are accurate and consistent. Perfect for my project.
Rated 5 out of 5
Nandini Malhotra (verified owner)–
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Rated 4 out of 5
Anirudh Rawat (verified owner)–
Good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works as described. Calibration needed some patience but results are good.
Rated 5 out of 5
Deepak Patil (verified owner)–
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Rated 4 out of 5
Ankit Hegde (verified owner)–
Pretty good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Documentation could be better but the sensor itself is solid.
Rated 5 out of 5
Nandini Batra (verified owner)–
This 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 is excellent for the price. My data logging project is working perfectly now.
Rated 4 out of 5
Ashish Pandey (verified owner)–
Decent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for the price. Requires proper wiring but works well once set up.
Rated 5 out of 5
Vivek Vyas (verified owner)–
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Rated 4 out of 5
Krishna Modi (verified owner)–
Nice 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 5 out of 5
Shivam Parekh (verified owner)–
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Only logged in customers who have purchased this product may leave a review.
Harshit Rathore (verified owner) –
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Tarun Pandey (verified owner) –
Average 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings fluctuate a bit. Works for rough measurements.
Vikram Rajan (verified owner) –
Perfect for my weather station. This 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 gives consistent readings day and night.
Isha Parekh (verified owner) –
Nice 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings are mostly accurate. Good enough for my hobby project.
Kabir Mishra (verified owner) –
Bought this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my college project. Accurate readings, easy to code. Very happy!
Kartik Sethi (verified owner) –
Excellent sensitivity and range on this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works better than I expected.
Gaurav Sen (verified owner) –
Excellent sensitivity and range on this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works better than I expected.
Mayank Luthra –
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Sandeep Parekh –
Excellent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1! Readings are accurate and consistent. Perfect for my project.
Vivek Tandon (verified owner) –
Love this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Response time is fast and readings are stable.
Sarthak Panchal (verified owner) –
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Anirudh Kumar (verified owner) –
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Zubin Banerjee (verified owner) –
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Vikram Chauhan –
Bought this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my college project. Accurate readings, easy to code. Very happy!
Lalit Krishnan (verified owner) –
Great 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Using it in my smart agriculture system. Reliable measurements every time.
Kunal Parekh (verified owner) –
Outstanding accuracy from this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Compared with a professional instrument, readings match closely.
Rajesh Verma –
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Vijay Pandey (verified owner) –
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Gaurav Kapoor –
Pretty good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Documentation could be better but the sensor itself is solid.
Shruti Shah –
Good quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Some variation in readings but within acceptable range.
Anjali Singh (verified owner) –
Perfect 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for my automation project. Integrates seamlessly with my microcontroller.
Kritika Modi (verified owner) –
Excellent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1! Readings are accurate and consistent. Perfect for my project.
Nandini Malhotra (verified owner) –
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Anirudh Rawat (verified owner) –
Good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Works as described. Calibration needed some patience but results are good.
Deepak Patil (verified owner) –
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.
Ankit Hegde (verified owner) –
Pretty good 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Documentation could be better but the sensor itself is solid.
Nandini Batra (verified owner) –
This 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 is excellent for the price. My data logging project is working perfectly now.
Ashish Pandey (verified owner) –
Decent 77-81GHz Obstacle avoidance radar sensor UAV-R22-1 for the price. Requires proper wiring but works well once set up.
Vivek Vyas (verified owner) –
Great quality 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Calibrated it easily and the accuracy is impressive.
Krishna Modi (verified owner) –
Nice 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Readings are mostly accurate. Good enough for my hobby project.
Shivam Parekh (verified owner) –
Very satisfied with this 77-81GHz Obstacle avoidance radar sensor UAV-R22-1. Library support is good and it’s easy to interface.