📡 HLK-LD2461 is a 24GHz millimeter wave radar designed for human perception 👤.
⚙️ It consists of:
-
🔌 Two 1-engine / 2-receiver radar chips
-
📶 High-performance microstrip antennas
-
🖥️ High-performance MCU
-
🔧 Peripheral auxiliary circuits
🔗 Communication: Serial 📡 Frequency Range: 24.00GHz ~ 24.25GHz (ISM band) 📊 Bandwidth: 250MHz
🏠 Applications:
-
Home 🏡
-
Office 🏢
-
Hotel 🏨
-
Other scenarios 🌐
✨ Enables precise sensing of:
-
➡️ Multiple movements
-
🔍 Micro-movements
-
🧍 Stationary human bodies
Product Parameters
-
📶 Frequency: 24G ~ 24.25GHz
-
📊 Sweep Bandwidth: 250MHz (CE/FCC compliant)
-
🔄 Modulation Type: FMCW
-
🎯 Detection Angle: Azimuth ±45° / Elevation ±25°
-
👀 Detection Range (Typ.):
-
🧍 Stationary: 5m
-
💺 Micro-motion (sitting): 6m
-
🚶 Motion: 8m
-
-
📏 Distance Resolution: 0.75m
-
🎯 Distance Accuracy: 0.1m
-
📐 Angle Accuracy: 2°
-
📐 Angle Resolution: 15°
-
📡 Max EIRP: 13dBm
-
🔋 Power Supply Voltage: 5V
-
📐 Dimensions: 35 × 50mm
-
🌡️ Operating Temperature: -40℃ ~ +85℃
-
💾 Data Format: Serial ASCII output
-
🔌 Package Type: Default 1.5mm × 4-pin female connector (customizable)
Main Functions and Performance
📡 A. Motion Detection
-
📏 Perception Distance: ≤ 8m (normal motion)
-
⚡ Trigger Time: ≤ 0.5s
-
🎯 Accuracy: ≥ 99%
👤 B. Human Presence Detection (Respiratory)
-
📏 Stationary Body Distance: ≤ 6m
-
⏱️ Unmanned Maintenance Time: 15s
-
🎯 Accuracy: ≥ 95%
👥 C. Population Statistics
-
📏 Detection Distance: ≤ 6m
-
🔢 Number of People: ≤ 5
-
🎯 Accuracy: ≥ 90% (3 people), ≥ 80% (5 people)
↔️ D. Direction Detection
-
🧭 Identify Directions: Entry/Exit, Left/Right, Front/Back
-
📏 Detection Distance: ≤ 6m
-
🎯 Accuracy: ≥ 95%
🛤️ E. Trajectory Detection
-
🗺️ Movement Route: Tracks human movement within detection area
-
👥 Multi-person Support: Up to 5 people simultaneously
-
📏 Detection Distance: ≤ 6m
-
🎯 Accuracy: ≥ 90%
Download
HLK-LD2461_Tool (upper computer) instruction