The Hi-Link HLK-LD2420 is a high-performance 24 GHz radar module equipped with one transmitter and one receiver antenna. It employs a human sensing algorithm that utilizes millimeter-wave radar for distance measurement and S3 series chips’ advanced signal processing technology, enabling precise detection of moving, stationary, and micro-movements in human bodies. The HLK-LD2420 is primarily designed for indoor use, detecting the presence of moving or stationary human bodies within its vicinity and updating detection results in real-time. It boasts a maximum sensing distance of 8 meters and offers customizable settings for distance range, sensitivity, and refresh rates across different zones. Additionally, it supports GPIO and UART interfaces for easy plug-and-play integration, making it versatile for various smart applications and end products.
Features:
- Ultra-small module size: 20 mm × 20 mm
- Load default body sensor configuration, plug and play
- 24 GHz ISM band with FCC, CE, and Commission-free spectrum regulatory approvals
- 3.3 V power supply, supports 3.0 V ~ 3.6 Wide voltage range
- Average operating current 50 mA
- Detection target for motion, micro-motion human body
Specifications:
- Power supply: 3.3 V (3.0 V ~ 3.6)
- Operating Current: 50 mA
- Band: 24 GHz
- Size: 20 mm × 20 mm
Package Includes:
Hi-Link HLK-LD2420 24Ghz human body micro motion sensing detection radar sensor module HLK-LD2410 low cost solution
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| Brand | Hi-Link |
|---|---|
| Model | HLK-LD2420 |
| Interface / Protocol | 4G |
| Frequency | 24Ghz |
| SKU | AI6097 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The Hi-Link HLK-LD2420 24Ghz human body micro motion sensing detection is a versatile ultrasonic sensors and modules 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 Hi-Link product sourced from authorized channels
Abhishek Banerjee (verified owner) –
Nice Hi-Link HLK-LD2420 24Ghz human body micro. Readings are mostly accurate. Good enough for my hobby project.
Bharat Dhawan (verified owner) –
Nice Hi-Link HLK-LD2420 24Ghz human body micro. Readings are mostly accurate. Good enough for my hobby project.
Aanya Rathore (verified owner) –
Okay Hi-Link HLK-LD2420 24Ghz human body micro. Had to add a capacitor to stabilize readings. Works now.
Lalit Das (verified owner) –
Okay Hi-Link HLK-LD2420 24Ghz human body micro. Had to add a capacitor to stabilize readings. Works now.
Deepika Shetty (verified owner) –
This Hi-Link HLK-LD2420 24Ghz human body micro is a must-have for sensor projects. Plug and play with Arduino.
Saurabh Bhat (verified owner) –
Bought this Hi-Link HLK-LD2420 24Ghz human body micro for my college project. Accurate readings, easy to code. Very happy!
Jayesh Mishra (verified owner) –
Great Hi-Link HLK-LD2420 24Ghz human body micro. Using it in my smart agriculture system. Reliable measurements every time.
Meera Joshi (verified owner) –
Love this Hi-Link HLK-LD2420 24Ghz human body micro. Response time is fast and readings are stable.
Manish Bhatt (verified owner) –
Excellent Hi-Link HLK-LD2420 24Ghz human body micro! Readings are accurate and consistent. Perfect for my project.
Arnav Kapoor (verified owner) –
This Hi-Link HLK-LD2420 24Ghz human body micro is excellent for the price. My data logging project is working perfectly now.
Hitesh Menon (verified owner) –
Very satisfied with this Hi-Link HLK-LD2420 24Ghz human body micro. Library support is good and it’s easy to interface.
Jatin Sen –
Nice Hi-Link HLK-LD2420 24Ghz human body micro. Readings are mostly accurate. Good enough for my hobby project.
Pranav Verma –
Pretty good Hi-Link HLK-LD2420 24Ghz human body micro. Documentation could be better but the sensor itself is solid.
Arun Nayak (verified owner) –
Excellent sensitivity and range on this Hi-Link HLK-LD2420 24Ghz human body micro. Works better than I expected.
Riya Tiwari (verified owner) –
This Hi-Link HLK-LD2420 24Ghz human body micro is a must-have for sensor projects. Plug and play with Arduino.
Ishaan Trivedi (verified owner) –
Decent Hi-Link HLK-LD2420 24Ghz human body micro for the price. Requires proper wiring but works well once set up.
Meera Shah (verified owner) –
Superb Hi-Link HLK-LD2420 24Ghz human body micro! Using it in my environmental monitoring system. Very reliable data.
Lakshmi Bhatt (verified owner) –
Good quality Hi-Link HLK-LD2420 24Ghz human body micro. Some variation in readings but within acceptable range.
Ananya Das (verified owner) –
Good Hi-Link HLK-LD2420 24Ghz human body micro. Works as described. Calibration needed some patience but results are good.
Mohit Mehta (verified owner) –
Good quality Hi-Link HLK-LD2420 24Ghz human body micro. Some variation in readings but within acceptable range.
Siddharth Nair (verified owner) –
Perfect for my weather station. This Hi-Link HLK-LD2420 24Ghz human body micro gives consistent readings day and night.
Sakshi Mittal (verified owner) –
Nice Hi-Link HLK-LD2420 24Ghz human body micro. Readings are mostly accurate. Good enough for my hobby project.
Pankaj Khanna (verified owner) –
This Hi-Link HLK-LD2420 24Ghz human body micro is excellent for the price. My data logging project is working perfectly now.
Raghav Pillai (verified owner) –
Okay Hi-Link HLK-LD2420 24Ghz human body micro. Had to add a capacitor to stabilize readings. Works now.
Sakshi Deshpande (verified owner) –
Decent Hi-Link HLK-LD2420 24Ghz human body micro for the price. Requires proper wiring but works well once set up.
Shivam Negi (verified owner) –
Nice Hi-Link HLK-LD2420 24Ghz human body micro. Readings are mostly accurate. Good enough for my hobby project.
Piyush Agarwal –
This Hi-Link HLK-LD2420 24Ghz human body micro is excellent for the price. My data logging project is working perfectly now.
Bhavna Panchal (verified owner) –
Excellent Hi-Link HLK-LD2420 24Ghz human body micro! Readings are accurate and consistent. Perfect for my project.
Manoj Kamath (verified owner) –
Excellent Hi-Link HLK-LD2420 24Ghz human body micro! Readings are accurate and consistent. Perfect for my project.
Chitra Dhawan (verified owner) –
Decent Hi-Link HLK-LD2420 24Ghz human body micro for the price. Requires proper wiring but works well once set up.