The SD-R400BQ from Seco-Larm is a microwave request-to-Exit Sensor designed for both indoor and outdoor use. With its versatile operation range of 12~27VAC/VDC and advanced microwave technology, this sensor ensures reliable detection with a sensing range of 6′ (2m). Its weatherproof construction (IP54) and adjustable sensing angle make it an ideal choice for various environments, all housed in durable black ABS material.
Seco-Larm SD-R400BQ Microwave Motion Sensor Features
- Microwave technology: Operating at 24.125GHz, this sensor provides precise and reliable detection performance.
- Sensing range: Capable of detecting motion up to 6′ (2m), ensuring effective monitoring of designated areas.
- Weatherproof design: Rated IP54, this sensor is suitable for both indoor and outdoor applications, resisting dust and water.
- Adjustable sensing angle: Customizable sensing angles allow for tailored coverage based on specific installation needs.
- Durable construction: The black ABS housing ensures longevity and resilience in various environmental conditions.
Seco-Larm SD-R400BQ Detailed Specifications
| Feature | Details |
| Power Supply | 12~27VAC/VDC |
| Operating Frequency | 24.125GHz |
| Sensing Range | 6′ (2m) |
| Weatherproof Rating | IP54 |
| Housing Material | Black ABS |
| Adjustable Sensing Angle | Yes |



















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