Traditional ir sensor, ir motion sensor and inductive sensor struggle with false triggers, narrow detection and poor adaptability in smart scenarios. The LD1100 24GHz mmwave sensor—a high-performance mmwave radar module—outperforms standard ir sensor module and motion sensor with global compatibility, precise sensing and ultra-compact design, serving as the ideal core for smart home, building automation, security and public facility devices indoors and outdoors.
Core Advantages of LD1100 Mmwave Radar
As a dedicated K-band CW microwave induction radar for motion detection, LD1100 solves all pain points of traditional sensors with standout features:
- Global universal use: 24GHz certified band, no regional adaptation for worldwide deployment
- Precise wide-area sensing: 15m detection range + 40°×40° field of view, captures movement speed and direction accurately
- Ultra-compact integration: 46×15×1.5mm, <2g, easily embedded/retrofitted into all small devices
- Stable anti-interference: -25℃~+55℃ wide temperature, immune to light/dust, no false alarms
- Low-power adaptability: 3.2-3.4V wide voltage, 48mA typical current, compatible with most power systems
Key Application Scenarios
The versatile LD1100 mmwave sensor widely replaces ir sensor and inductive sensor in intelligent sensing scenarios, powering device smart upgrades with reliable performance:
Smart Home Automation
Embedded in smart lighting, air conditioners and home appliances, it realizes human presence linkage (person coming/leaving control), avoiding pet/light-induced false triggers of ir motion sensor, with hidden installation that does not affect device appearance.
Building & Industrial Automation
Ideal for automatic door induction, escalator control and production line sensing. It detects side approaching targets and material movement accurately, works stably in dusty industrial environments, and solves the blind spot problem of traditional ir sensor module.
Smart Lighting Control
For indoor/outdoor lighting (street lamps, corridor lights), it enables intelligent dimming/on-off by sensing human movement distance/speed, with all-weather performance that resists rain/fog/low light—far more durable than ir motion sensor.
Security & Access Control
Serves as a high-precision motion sensor for alarm systems and community access control, distinguishing human movement from small object interference, transmitting real-time movement data for precise intrusion positioning, and supporting 24/7 outdoor stable work.
Public Facility Automation
Applied to smart hand dryers, public toilet flushing and subway passage induction, its non-contact sensing avoids cross-infection, compact design fits small equipment, and low power consumption supports long-term operation of battery-powered devices.
Why Choose LD1100 Mmwave Sensor?
The LD1100 mmwave radar combines high performance, ultra-compact design and cost-effectiveness, addressing all limitations of ir sensor, inductive sensor and ir sensor module. With global certification, precise motion detection and strong environmental adaptability, it is a cost-effective, easy-integrate sensing solution for smart home, building automation, security and public facility projects—ideal for manufacturers and developers upgrading intelligent sensing equipment with reliable, future-proof technology.
📌 Want to use radar in your project?
Contact Vivi: susiqi@mwradar.com or WeChat/WhatsApp: +86 181 2377 8519






