Microwave radar module

We provide human motion detection sensors (such as PIR sensors & modules , microwave radar modules) for human micro motion sensing that can detect and recognize moving, standing, and stationary human bodies, and are widely used in various AIOT scenarios, including smart homes, smart security, smart commerce, and smart lighting.

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Hardware specifications:

Supported frequency band: 24-24.25 GHz
Supports maximum sweep bandwidth: 0.25 GHz
Maximum equivalent omnidirectional radiation power: 11 dBm
Power supply voltage: 3.3V (3.0-3.6V wide voltage support)
Size: 20x20mm²
Environmental temperature: -40~85°C

System performance:

Detection range (wall mounted):
- Sports Human Target: 10m
- Micro moving human target: 6m
Detection range (ceiling mounted):
- Sports human target: 5m
- Micro moving human target: 4m
Detection accuracy: 0.15m (for moving targets within a straight-line distance of 10m from the radar)
Average working current: 50mA
Data refresh cycle: 100ms

The ultra-small module equipped with AloT millimeter-wave sensor SoC S3KM1110 has a size of 20mm x 20mm and is equipped with a high-performance 24GHz one transmitter and one receiver antenna and peripheral circuits on board. By default, the human body sensing configuration is loaded, which is plug and play and can achieve a maximum distance of 8.5m for motion human body sensing.

This module is driven by a microcontroller and leads out UART pins for easy access to main control boards such as Arduino, ESP32, and Jetson Nano. Using human body micro-motion sensing algorithm, millimeter-wave radar distance measurement technology, and advanced proprietary signal processing technology of S3KM1110 chip, we provide comprehensive documentation manuals (suitable for mainstream platforms such as Raspberry Pi, Jetson Nano, Arduino, ESP32, etc.), including example programs, to achieve precise perception of motion, micro-motion, and standing human bodies.

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