The Hi-Link HLK-LD1041 is a compact X-band Doppler radar motion-sensing module operating at 10.525 GHz, designed primarily for embedded motion detection and smart-lighting applications.
Key Specifications
• Brand: Hi-Link
• Model: HLK-LD1041
• Radar Frequency: 10.525 GHz
• Technology: X-Band Doppler Radar
• Detection: Motion / micro-motion
• Detection Angle: 110° ±10°
• Sensing Range: Approximately 3–5 m, depending on installation
• Supply Voltage: 5–12 V DC according to the manufacturer datasheet
• Output Voltage: 3.3 V typ.
• Power-On Stabilization: Approximately 7–9 seconds
• Operating Temperature: −20°C to +70°C
• Antenna: Integrated 1T1R transmitting/receiving antenna
• Mounting: Suitable for concealed/embedded and ceiling installations
Applications
• Smart lighting and automatic lamps
• Ceiling lights and downlights
• Home & office automation
• Motion-activated devices
• Security and presence detection
• Embedded IoT sensing systems
• Pet-related smart devices
