E54-24LD12B Millimeter Wave Radar Module Overview
The E54-24LD12B is a 24GHz millimeter wave radar module combining specialized hardware and intelligent HPS01 firmware to enable precise human presence detection and distance measurement up to 4.5 meters with 15cm accuracy in indoor environments.
Key Features
- Life Presence Detection: Identifies human presence through respiration and micro-movements
- High-Precision Distance Measurement: ±15cm accuracy within 1.5-4.5m range
- Multi-Environment Adaptation: Optimized for homes, offices, and hotel rooms
- Compact Design: Ultra-small 18×15mm form factor
- Intelligent Algorithm: HPS01 firmware with FMCW waveform processing
- Flexible Installation: Supports ceiling, wall, and surface mounting
- Visual Configuration: User-friendly tools for parameter adjustment
- Low Power Consumption: 50mA average current at 10Hz reporting frequency
Technical Specifications
- Operating Frequency: 24GHz ISM band
- Detection Range: 0.2-4.5 meters
- Distance Accuracy: ±0.15 meters
- Distance Resolution: 0.75 meters
- Field of View: ±45° azimuth and elevation
- Power Supply: 3.0-3.6V DC
- Current Consumption: 50mA average @ 10Hz reporting
- Dimensions: 18×15×1.6mm
- Communication Interfaces: UART, GPIO
- Operating Temperature: -40°C to +85°C
- Firmware: HPS01 with FMCW technology
Application Scenarios
- Smart Home Automation: Presence-based lighting/HVAC control
- Office Space Optimization: Occupancy-based energy management
- Hotel Room Intelligence: Automated guest experience enhancement
- Security Systems: Intrusion detection and access control
- Healthcare Monitoring: Elderly fall detection and vital sign tracking
- Retail Analytics: Customer presence and movement tracking
- Building Management: Smart lighting and climate control
- Industrial Safety: Personnel detection in restricted zones
Core Technology
- AIoT Sensor Chip: Advanced millimeter wave processing
- Antenna Design: High-performance microstrip TX/RX antennas
- FMCW Waveforms: Frequency-Modulated Continuous Wave technology
- Signal Processing: Proprietary algorithms for motion and static detection
- Multi-Target Tracking: Simultaneous detection of multiple subjects
Configuration Capabilities
- Adjustable detection sensitivity zones
- Customizable presence duration thresholds
- Motion vs. stationary target differentiation
- Distance gate sensitivity configuration
- Vacancy time delay settings
- Engineering mode for detailed diagnostics
Installation Advantages
- Ceiling mounting height: 2.6-3.0m (optimal coverage)
- Wall mounting height: 1.5-2.0m (precision detection)
- ±45° detection cone for flexible positioning
- Minimal environmental interference
- Simple integration with existing systems
Performance Characteristics
- Static human detection capability
- Sleeping person recognition
- 2-second motion target response time
- 3-second static target response time
- Robust performance against environmental interference
- Low false-positive detection rate
| Parameter | Minimum value | Typical values | Maximum value | unit | Remark |
| Specifications | |||||
| Support frequency bands | twenty four | - | 25 | GHz | - |
| Supports maximum scanning bandwidth | - | 0.25 | 1 | GHz | |
| Maximum equivalent omnidirectional radiated power | - | - | 15 | dBm | - |
| Power supply voltage | 3 | 3.3 | 3.6 | In | - |
| size | - | 18 * 15 | - | mm | ±0.2mm |
| weight | - | 1.2 | - | g | ±0.2g |
| Ambient temperature | -40 | - | 85 | ℃ | - |
| System Performance | |||||
| Detection distance range | 0.2 | 4 | 4.5 | m | Movement and stillness goals Human goals |
| Distance resolution | 0.75 | - | - | m | Movement and stillness goals Human goals |
| Detection accuracy | - | 0.15 | - | m | - |
| Working frequency band | twenty four | - | 24.25 | GHz | Comply with FCC, CE, and committee-free certification standards |
| Sweep bandwidth | - | - | 0.25 | GHz | Comply with FCC, CE, and committee-free certification standards |
| Average operating current | - | 52 | - | and | 100ms reporting cycle |
