Beyond Traditional PIR Limits, delivers "True Presence" Automation with Micro-Motion Detection. Traditional PIR sensors often fail to detect stationary occupants, leading to inconvenient lighting deactivation. The Fermion: C4002 mmWave radar module resolves this by utilizing 24GHz FMCW technology to detect micro-motions (such as breathing and chest expansion). Capable of distinguishing between moving, stationary, and micro-moving targets within a 10×10 meter range, this module serves as a reliable core component for smart lighting, HVAC control, and security monitoring in Home Assistant and IoT systems.
Streamlined Home Assistant Integration
Designed to simplify the development process, eliminating the need for complex reverse-engineering.
Figure: Home Assistant Ready - Fermion C4002 mmWave radar module
True Static Presence Detection (10x10m Range)
Capable of detecting individuals who are sitting, sleeping, or standing completely still. Ideal for bedrooms, offices, and bathrooms.
Figure: True Static & Motion Human Presence of Fermion C4002 mmWave radar module
Figure: Detection Range of Fermion C4002 mmWave radar module
Precision Control for Complex Environments
Unlike passive sensors with fixed ranges, the C4002 offers a software-configurable detection distance. This capability allows for precise matching of the sensor's coverage to the physical room layout.
Intelligent Environmental Filtering
To prevent false triggers common in radar technology (e.g., swaying plants, moving curtains), the C4002 incorporates adaptive background noise learning. The module automatically establishes a noise model of the environment, filtering out non-human interference to ensure triggers occur only upon actual human presence.
Figure: Anti-Interference of Fermion C4002 mmWave radar module
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