The Rd-04 is a motion sensing module designed based on the X-band radar chip XBR818, with a central frequency of 10.525 GHz. The module employs a fixed-frequency, directional transmission and reception antenna design (1T1R) and integrates functionalities such as intermediate frequency demodulation, signal amplification, and digital processing. It supports delay configuration and adjustable sensing range.
The Rd-04 features non-penetrating detection (does not sense through walls), excellent anti-interference capabilities, compact size, superior suppression of clutter and higher harmonics, as well as high stability and consistency. In pulse-powered mode, the module achieves ultra-low power consumption at the microampere level, making it ideal for cost-sensitive and low-power application scenarios.
Parameters
| Product Parameters | Details |
|---|---|
| Model | Rd - 04 |
| Package | DIP - 6 |
| Size | 15.0 * 15.0 mm |
| Antenna Form | Board - mounted Antenna |
| Frequency Range | 10.275 - 10.775 GHz |
| Operating Temperature | - 40°C to 85°C |
| Storage Environment | - 40°C to 125°C, < 90% RH |
| Power Supply Range | Power Supply Voltage 3.0V to 3.6V, Power Supply Current ≥ 100 mA |
| Supported Interface | IIC |
| Available IO Quantity | 2 |
| Brand | Ai - Thinker |
| Origin | Chinese Mainland |
| Output Type Category | Distance Measuring Sensor |
| Working Principle | FMCW Radar Sensor |
| Sensor Category | Radar Sensor |
| Weight | 2g |
| Working Voltage | 3.3V |
Applications
Lighting Products
- Bulbs
- Downlights
- Ceiling lights
Low-Power Application Scenarios
- Video doorbells
- Digital peepholes
- Door locks
- Low-power cameras
- Smart litter boxes
- Automatic feeders
Comparison
| Comparison Items | Radar Human Presence Sensor | Infrared (PIR) Human Sensor |
|---|---|---|
| Sensing Principle | Based on the Doppler radar sensing principle (active detection) | Based on the pyroelectric infrared sensing principle (passive radiation) |
| Motion Sensing Sensitivity | Capable of detecting human presence, slight movements, and motion states | Only capable of detecting close-range slight movements and motion of humans |
| Sensing Distance | Different sensing distances can be precisely set | Only a general range can be sensed |
| Impact of Environmental Temperature | Not affected by changes in environmental temperature | Sensitivity decreases when the environmental temperature rises close to the human body temperature |
| Application Environment | Not disturbed by heat sources, light sources, and airflows | Easily disturbed by heat sources, light sources, and airflows |
| Penetration Ability | Capable of penetrating insulating materials such as fabric, plastic, and glass | Only capable of penetrating some transparent plastics |
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General Shipping Info
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Free Shipping Policy*
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Distributors are not eligible for free shipping.
Shipping Options
We offer competitively priced shipping services via Deutsche Post, DHL, YunExpress, and 4PX, with tracking to ensure your products are delivered safely and promptly.
Shipping Times (From China Warehouse)
- Asia: 2-5 Business Days
- Western EU: 7-10 Business Days
- Eastern EU: 7-10 Business Days
- North America: 5-8 Business Days
- South America: 7-15 Business Days
- Australia: 5-8 Business Days
- Africa: 5-15 Business Days
Shipping Times (From German Warehouse)
- Germany: 2-4 Business Days
- Western EU: 3-5 Business Days
- Eastern EU: 4-6 Business Days
Important Notice:
Faster shipping times to Western and Eastern Europe apply only to products marked as "Product Inventory Location: Germany" on the product page. If the product is not labeled with this location, it will ship from our Chinese warehouse following the corresponding shipping schedule above.
Whether shipped from Germany or China, we cover all import duties and taxes, ensuring that you receive your package without any additional costs or hassles with customs.
Please verify the inventory location on the product page before placing your order to confirm delivery timeframes. For any questions or further assistance, feel free to contact us!
International Warehouses
Our products are stored in both our Shenzhen and German warehouses to provide more flexible logistics solutions tailored to different regions and customer needs. On each product's description page, we indicate the specific warehouse location to help you better plan your purchase and delivery schedule.
German Warehouse
For products stored in our warehouse in Germany, we use either Deutsche Post or DHL for shipping, depending on the size of the package. Logistics within Germany are very efficient, with an estimated delivery time of 2-4 business days, ensuring you receive your order quickly and conveniently.
Chinese Warehouse
Products shipped from our Chinese warehouse are handled by YunExpress. Given the complexities of international shipping, the estimated delivery time for these packages is around 10 business days, though this may vary slightly due to customs processes or other uncontrollable factors.
To ensure that your order is delivered within your desired timeframe, we recommend reviewing the warehouse information provided on the product pages before placing your order and selecting the appropriate shipping option. If you have any questions or need further assistance, please don't hesitate to contact our customer support team—we are here to help you!
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Effective Date: March 25, 2024
OpenELAB guarantees to provide accurate descriptions and high-quality products. If you encounter any problems with any executed purchase order, please notify OpenELAB within 60 days from the date of shipment.UNLESS OTHERWISE EXPRESSLY STIPULATED IN PERTICULAR AGREEMENT OR PURCHASE ORDER, OpenELAB MAKES NO WARRANTY OF FITNESS, SUITABILITY OR MERCHANTABILITY OF THE PRODUCT FOR ANY PARTICULAR PURPOSE OR SPECIAL CIRCUMSTANCE.
Warranty Period
General Term
- Warranty Period of product sold by OpenELAB is 12 months as of the date of delivery.
- OpenELAB will provide economic effort to replace or repair the product free of charge if the defects are caused due to reasons related to raw materials, designation, or manufacturing process.
- OpenELAB will repair, replace the product under reasonable charges to the customer if the product defects meets this Warranty Policy.
- OpenELAB will repairs, replace the defective product, or provide on-site technical support for products exceeding the warranty period on reasonable fees.
Exceptions
OpenELAB will refuse to provide warranty promises if:
- Products have been beyond the warranty period; or
- Defections are due to wrong use, improper maintenance or storage, or breach of user guides or menus provided by OpenELAB; or
- Defections are results of Force Majeure, which shall mean any acts of law, natural disaster, war, riots, strikes, insurrections, tsunami, typhoon, earthquake, terrorism, governmental sanctions, legislation changes or any similar event beyond such party’s reasonable control; or
- Customers have conducted repair actions on the products.
- For those specific product (e.g. Azure Sphere MT3620 Development Kit ) as notified to Customer expressly, in cases that the product is free from any Quality Defect and the product package has been opened by Customer.
Returns & Refund
If you are not satisfied with a product you bought, for whatever reason, it is possible to return it for refund within 5 days of receipt (10 days for an exchange). Please first email us to info@OpenELAB.io for return authorization.
We would like to kindly remind you that the customer is responsible for shipping the product back to our warehouse in Europe, US or China, which ever is convenient to you.
Return for Refund: within 5 days of receiving your product. (unopened)
Return for Replacement: within 10 days of receiving your product. (damaged or defective)
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