🧠 HLK-LD2460 – 24GHz Human Presence Radar Module
The HLK-LD2460 is a high-performance 24GHz millimeter-wave radar sensor designed for precise human detection and tracking. Equipped with dual 1T2R radar chips, a microstrip antenna array, a powerful MCU, and a Bluetooth SoC, this module delivers accurate distance and angle measurements in real time.
🌐 Powered by FMCW waveform technology, it can simultaneously detect and locate up to 3–5 human targets, whether they are moving, micro-moving, or stationary.
✨ Key Features:
-  📡 Dual 1T2R radar architecture for enhanced spatial resolution 
-  🎯 Accurate distance and angle estimation 
-  🧍♂️🧍♀️ Multi-target detection (up to 5 people) 
-  🔄 Real-time tracking with FMCW waveform 
-  💻 Integrated MCU and Bluetooth SoC for smart connectivity 
🏠 Application Scenarios:
-  Smart homes 🏡 
-  Office automation 🏢 
-  Hotel room occupancy detection 🛏️ 
-  Elderly care and security monitoring 👵👮 
📊 Functional Features of HLK-LD2460
| No. | Item | Function Description | Specification | 
|---|---|---|---|
| 1 | 👥 People Detection | Number of people the module can detect | Detects at least 3 seated/standing individuals; up to 5 moving individuals | 
| 2 | 📏 Detection Range | Detection distance under bare-board conditions | - Moving targets: ±50° ≥ 6m; ±50°~±60° ≥ 5.5m <br> - Static targets: ±50° ≥ 5m; ±50°~±60° ≥ 4.5m | 
| 3 | 🔍 Distance Resolution | Minimum distinguishable distance | 0.75m | 
| 4 | 🎯 Distance Accuracy | Absolute error in distance measurement | ≤ 0.3m | 
| 5 | 🌐 Horizontal Angle | Maximum horizontal detection angle | 120° | 
| 6 | 📐 Vertical Angle | Maximum vertical detection angle | 90° | 
| 7 | 🧭 Angle Resolution | Minimum distinguishable angle | 40° | 
| 8 | 🎯 Angle Accuracy | Absolute error in angle measurement | ≤ 5° | 
| 9 | 🔄 OTA Upgrade | Over-the-air firmware upgrade capability | Supported | 
| 10 | 🕒 Motion Trigger Time | Detection time for moving targets | 0.5s | 
| 11 | ⏳ Presence Detection Time | Detection time for static targets | ≤ 30s | 
⚡ Electrical Characteristics
| No. | Item | Specification | 
|---|---|---|
| 1 | 📡 Operating Band | 24GHz – 24.25GHz | 
| 2 | 📶 Bandwidth | 250MHz | 
| 3 | 📈 EIRP | 13dBm | 
| 4 | 🔄 Modulation Type | FMCW (Frequency-Modulated Continuous Wave) | 
| 5 | 🔋 Operating Voltage | 5V | 
| 6 | ⚡ Average Current | ≤ 250mA | 
| 7 | 🌡️ Operating Temp | -40℃ to +85℃ | 
| 8 | ❄️ Storage Temp | -40℃ to +85℃ |