HLK-LD2401 24GHz Human Presence Radar Module

Introducing the HLK-LD2401, a high-sensitivity 24GHz radar module engineered by Hi-Link Electronics. This module is designed to detect human presence with precision. Leveraging FMCW (Frequency-Modulated Continuous Wave) technology, it can accurately identify motion, micro-movements, and stationary human bodies within its range. It's an ideal solution for smart automation, energy-saving, and safety systems.

Key Features 🌟

The HLK-LD2401 comes packed with a variety of features:

• 24GHz ISM band millimeter-wave radar (FCC & CE certified)
• Maximum detection range: 6 meters
• Configurable distance resolution: 0.2m or 0.75m
• Wide detection angle: ±60°
• Supports division of sensing zones and interference shielding
• Real-time motion and micro-motion detection
• Bluetooth & UART interfaces for parameter tuning and control
• Visual configuration tool for adjusting sensing range and sensitivity
• Supports wall-mount and ceiling installation
• Ultra-low power design with plug & play capability

Advantages 🛠️

The HLK-LD2401 offers several advantages over traditional sensors:

• Capable of detecting sitting, lying, or stationary humans—unlike PIR sensors
• Unaffected by environmental conditions such as light, temperature, and humidity
• Can operate hidden inside enclosures, eliminating the need for external holes
• Highly configurable sensing zones and thresholds
• Bluetooth configuration via mobile app—no physical connection needed

Applications 🏠

The HLK-LD2401 can be used in a variety of applications:

• Lighting automation: Turn on/off lights based on human presence
• Advertising displays: Activate on human detection, deactivate when idle
• UV lamp protection: Prevent UV exposure when humans are present
• Hazard zone monitoring: Alert if someone enters dangerous areas (e.g., mines)
• Smart appliances: Automatically power off unused devices like TVs and ACs
• Security systems: Detect intrusion or prolonged presence

Package Includes 📦

• 1 x HLK-LD2401 24GHz Human Sensing Radar Module