Rajesh, 35, Delhi, needs outdoor security monitoring in monsoon season.
CQRobot sensor detects movement up to 5m unaffected by rain or dust, ensuring reliable security in Indian weather.
You save 790 (25%)
25% off the seller list price
Doorstep delivery by 23 Oct - 25 Oct from USA






Reliable Detection at a Competitive Price
CQRobot's 5.8GHz microwave motion sensor (CQRSENWB02) is a high-performance device designed for precise object detection using Doppler radar technology. It integrates the AT5820 radar chip, enabling long-distance sensing up to 5 meters with high sensitivity, unaffected by ambient temperature or environmental noise. Compatible with Arduino and Raspberry Pi, it is ideal for security, smart home automation, transportation, agriculture, and industrial monitoring. The sensor features UART communication, a 120-degree beam angle, and operates within -40°C to +85°C. Its compact dimensions (34.5mm x 26.7mm) and wall-mount design facilitate easy installation in various settings. The sensor's robust algorithms filter out clutter, ensuring reliable detection in harsh environments, making it a versatile choice for Indian security and automation projects.
Built with ultra-high frequency MOS devices, the CQRobot microwave sensor offers long-range detection with minimal RF interference. Its low power consumption (33mA) and high compatibility with microcontrollers make it suitable for custom automation systems. The sensor's durable silicone wiring and compact size (21cm cable) allow flexible deployment in industrial, transportation, and smart home environments across India. The device's long detection distance and high sensitivity ensure effective monitoring in outdoor and indoor settings, providing reliable object detection without the limitations of infrared sensors. Importers and integrators can rely on this USA-imported sensor for consistent performance in demanding conditions.
Imported directly from the USA, the CQRobot microwave sensor arrives with all duties paid, ensuring transparency and hassle-free setup in India. Its compatibility with popular microcontrollers and broad temperature range make it suitable for diverse Indian applications, from security gates to agricultural automation. The sensor's long detection radius and high sensitivity support effective monitoring in large spaces, while its compact form factor simplifies installation in confined areas. With a 14-day Smile Guarantee and ExpressBox tracked shipping, crowcrowcrow ensures authentic, factory-sealed quality for Indian buyers seeking reliable motion detection technology.
Advanced Doppler Radar Technology
CQRobot's microwave sensor uses Doppler radar, detecting movement via reflected microwaves, unlike infrared sensors that are limited by line-of-sight and environmental factors. Its integrated AT5820 chip ensures high sensitivity and long-range detection, suitable for Indian security and automation needs.
Ideal for Harsh Environments & Multiple Object Detection
Designed to operate unaffected by dust, humidity, airflow, or temperature variations, this sensor detects both living and non-living objects. Compatible with Arduino and Raspberry Pi, it supports diverse industrial and smart home applications across India.
Typical situations where CQRobot 5.8GHz Microwave Sensor Compatible with Arduino & Raspberry Pi | Long Distance helps — illustrative scenarios, not customer reviews.
Rajesh, 35, Delhi, needs outdoor security monitoring in monsoon season.
CQRobot sensor detects movement up to 5m unaffected by rain or dust, ensuring reliable security in Indian weather.
Anita, 42, Bangalore, automates factory entry points for vehicles and personnel.
High sensitivity and long detection range support efficient, contactless monitoring, reducing manual checks.
| Detection Range | Indoor 3m, Sensing Radius 5m |
| Reapplication | Suitable for continuous monitoring in security, industrial, and smart home setups |
| Operating Temperature | -40°C to +85°C |
| Shelf Life | Factory-sealed, use within recommended period |
| Compatibility | Arduino, Raspberry Pi |
| Feature | CQRobot 5.8GHz Microwave | Others |
|---|---|---|
| Detection Range | Up to 5 meters, unaffected by environmental factors, long-distance sensing | Most Indian IR sensors detect up to 2 meters, limited by line-of-sight |
| Operating Environment | Works in -40°C to +85°C, dust and humidity resistant | Many IR sensors affected by dust, humidity, and temperature variations |
| Compatibility | Supports Arduino and Raspberry Pi via UART | Most Indian sensors support only basic microcontrollers, limited integration |
| Detection of Non-Living Objects | Detects both living and non-living objects reliably | Infrared sensors mainly detect human presence, less versatile |
| SKU | ces0184 |
| Brand | CQRobot |
| Model Number | CQRSENWB02 |
| Operating Voltage | DC5V |
| Detection Distance | Indoor 3m, Sensing Radius 5m |
| Dimensions | 34.5mm x 26.7mm |
About CQRobot
CQRobot specializes in high-performance sensors for industrial, security, and automation applications worldwide, trusted for quality and innovation.
Compliance & Legal
No specific certifications required; operates within standard RF safety limits; suitable for industrial and security use in India.
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This item:
CQRobot 5.8GHz Microwave Sensor Compatible with Arduino & Raspberry Pi | Long Distance, High Sensitivity Motion Detector
2,360

This item
CQRobot 5.8GHz Microwave Sensor Compatible with Arduino & Raspberry Pi | Long Distance, High Sensitivity Motion Detector
2,360
Total price:
14,140
You save 6,800 (32%) Extra3 items selected
3 items
14,140You save 6,800 (32%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 2,360 3,150 | 7,460 10,910 | 4,320 6,880 | 8,630 13,330 | 16,770 17,740 | 5,890 7,890 | 17,660 25,400 |
| Rating | 4.30(62) | 4.40(20K+) | 4.40(20K+) | 4.40(20K+) | 4.40(20K+) | 4.60(10) | 4.50(56) |
| Brand Name | CQRobot | HTZSAFE | HTZSAFE | HTZSAFE | HTZSAFE | Betterlink | Betterlink |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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