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China factory - Shenzhen Jutai Comm Co., Ltd.

Shenzhen Jutai Comm Co., Ltd.

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  3. Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit

  1. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  2. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  3. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  4. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  5. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  6. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit
  7. China Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit

Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivit

  1. MOQ： 100
  2. Price： 4-6 USD according to order quantity
  3. Get Latest Price
Payment Terms T/T,paypal,alipay,Western Union
Supply Ability 5000 pcs per month
Delivery Time 5-8 working dag
Packaging Details Carton
Technology Microwave Doppler Radar
Transmitter Frequency 24.125GHz
Transmitter Radiated Power <20 dBm EIRP
Transmitter Power Density ≤5mW/cm
Maximum Mounting Height 3m
Tilt Angles 0°~90° vertical; -30°~+30° lateral
Detection Field (2.2m mounting) 4m(W)×2m(D)
Detection Mode Motion detection
Minimum Detectable Speed 5cm/s (sensor axis)
Supply Voltage 12-24V AC ±10%; 12-24V DC +30% / -10%
Mains Frequency 50-60Hz
Power Consumption ≤2W(VA)
Output Mode Switch tube output
Signal Output Time 1.5s hold
Max Contact Voltage 42V AC/DC
Max Contact Current 1A (resistive)
Max Switching Power 30W(DC) / 60VA(AC)
Working Temperature Range -20℃ ~ +55℃
Degree of Protection IP54
Norm Conformity R&TTE 1999/5/EC; EMC 89/336/EEC
Material ABS
Housing Color Black/Silver
Dimensions (W×H×D) 120mm×80mm×50mm
Net Weight 0.215kg
Cable Length 2.2m
Brand Name JUTAI
Model Number RD24-4
Certification CE
Place of Origin Shenzhen China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,paypal,alipay,Western Union Supply Ability 5000 pcs per month
Delivery Time 5-8 working dag Packaging Details Carton
Technology Microwave Doppler Radar Transmitter Frequency 24.125GHz
Transmitter Radiated Power <20 dBm EIRP Transmitter Power Density ≤5mW/cm
Maximum Mounting Height 3m Tilt Angles 0°~90° vertical; -30°~+30° lateral
Detection Field (2.2m mounting) 4m(W)×2m(D) Detection Mode Motion detection
Minimum Detectable Speed 5cm/s (sensor axis) Supply Voltage 12-24V AC ±10%; 12-24V DC +30% / -10%
Mains Frequency 50-60Hz Power Consumption ≤2W(VA)
Output Mode Switch tube output Signal Output Time 1.5s hold
Max Contact Voltage 42V AC/DC Max Contact Current 1A (resistive)
Max Switching Power 30W(DC) / 60VA(AC) Working Temperature Range -20℃ ~ +55℃
Degree of Protection IP54 Norm Conformity R&TTE 1999/5/EC; EMC 89/336/EEC
Material ABS Housing Color Black/Silver
Dimensions (W×H×D) 120mm×80mm×50mm Net Weight 0.215kg
Cable Length 2.2m Brand Name JUTAI
Model Number RD24-4 Certification CE
Place of Origin Shenzhen China
High Light 24.125GHz automatic door sensor ，compact microwave motion sensor ，lightweight automatic door sensor

Automatic Door Sensor 24.125GHz | Compact Design | net weight 0.215kg Sensitivity

This 24.125GHz Automatic Door Sensor is a streamlined motion detection solution crafted for all automatic door systems, featuring a space-saving compact design, an ultra-light net weight of just 0.215kg, and fully adjustable sensitivity—three key advantages that redefine practicality and adaptability for commercial, office and retail entryways. Tuned to the reliable 24.125GHz microwave Doppler frequency band, it delivers accurate motion sensing for automatic door trigger needs, with a precision sensitivity potentiometer that allows gentle, stepless adjustment to tailor the detection range to your specific space: narrow it for small entryways to avoid false triggers, or widen it for high-traffic areas to ensure full coverage of human movement. The sensor’s compact ABS housing (120mm×80mm×50mm) boasts a sleek, minimal profile that mounts discreetly on door frames, ceilings or adjacent walls, blending seamlessly with any automatic door setup without occupying excess space, while its 0.215kg lightweight build eliminates the need for heavy mounting hardware, supporting quick, stable installation on various surfaces.
 
Optimized for real-world automatic door use, this sensor detects targets moving at ≥5cm/s with consistent accuracy, avoiding mis-triggers from door vibrations or ambient interference, and pairs its space-saving design with robust performance: it supports 12-24V AC/DC wide voltage supply, features low power consumption of ≤2W for energy-efficient long-term operation, and meets IP54 dustproof and waterproof standards for reliable use in indoor and covered outdoor environments. A clear LED status indicator simplifies quick setup and troubleshooting—flashing on power-on and solid when motion is detected—while the 2.2m pre-wired cable ensures easy wiring with standard automatic door control systems. Compliant with R&TTE and EMC international standards, this 24.125GHz Automatic Door Sensor merges compact, lightweight design with customizable sensitivity, making it a versatile, easy-to-integrate motion detection choice for all automatic door access control needs.

automatic door sensor 

automatic door sensorAutomatic door sensor installation and operation showing proper mounting and detection field
Product Highlights
  • 24.125GHz mainstream microwave frequency for stable motion detection (≥5cm/s)
  • Wide detection field: 4m(W)*2m(D) at 2.2m mounting height
  • Flexible angle adjustment: 0°~90° vertical / -30°~+30° lateral tilt
  • Wide voltage supply: 12-24V AC/DC with low power consumption (≤2W)
  • IP54 protection & -20℃~+55℃ working temperature for indoor/outdoor semi-enclosed use
  • Easy installation & adjustment with compact size, sensitivity potentiometer, and clear LED status prompt
  • Reliable output: 1.5s signal hold, 42V AC/DC max contact voltage, 1A resistive current
RD24-4S Automatic Door Sensor technical diagram and specifications
Technical Specifications
Parameter Specification
Technology Microwave Doppler Radar
Transmitter Frequency 24.125GHz
Transmitter Radiated Power <20 dBm EIRP
Transmitter Power Density ≤5mW/cm
Maximum Mounting Height 3m
Tilt Angles 0°~90° vertical; -30°~+30° lateral
Detection Field (2.2m mounting) 4m(W)*2m(D)
Detection Mode Motion detection
Minimum Detectable Speed 5cm/s (sensor axis)
Supply Voltage 12-24V AC ±10%; 12-24V DC +30% / -10%
Mains Frequency 50-60Hz
Power Consumption ≤2W(VA)
Output Mode Switch tube output
Signal Output Time 1.5s hold
Max Contact Voltage 42V AC/DC
Max Contact Current 1A (resistive)
Max Switching Power 30W(DC) / 60VA(AC)
Working Temperature Range -20℃ ~ +55℃
Degree of Protection IP54
Norm Conformity R&TTE 1999/5/EC; EMC 89/336/EEC
Material ABS
Housing Color Black/Silver
Dimensions (W*H*D) 120mm*80mm*50mm
Net Weight 0.215kg
Cable Length 2.2m
Installation & Adjustment Guide
The sensor's performance is closely related to correct installation and adjustment. Simple operation with no professional tools required:
Mounting Requirements
Avoid vibration positions, neon lamp proximity and sensor occlusion; do not touch internal electronic parts during installation.
Sensitivity Adjustment
Rotate the sensitivity potentiometer gently and slowly; the sensitivity value determines the size of the detection field (adjust to 1/2 or higher for short detection distance).
Angle Adjustment
Planar antenna lateral angle = detection field position; vertical angle = detection field depth; set microwave module angle to ≥45° for optimal detection.
Status Check
LED flashes after power-on (normal standby); LED lights up continuously when a moving target is detected (detection trigger).
Troubleshooting Guide
Fault Phenomenon Probable Causes Corrective Action
Door does not open & LED no light Sensor power off Check wiring connection and power supply validity
Door opens/closes constantly Sensor detects door vibration/movement; interference source in detection range Fix the sensor firmly; increase tilt angle/reduce sensitivity; remove interference sources in the detection field
Detection distance is too close Low sensitivity; microwave module angle <45°; sensor blocked Adjust sensitivity potentiometer to 1/2 or higher; set module angle to ≥45°; remove occluding objects
Application Scenarios
The RD24-4S is a multi-scenario motion detection sensor with high adaptability, primarily applicable to:
  • Automatic Door Systems: Sliding doors, swing doors, glass induction doors (commercial buildings, shopping malls, office buildings)
  • Security & Monitoring: Perimeter security detection, indoor human motion induction (residential, factory, warehouse)
  • Industrial Automation: Conveyor belt motion detection, equipment start/stop induction (light industry production lines)
  • Intelligent Building: Smart lighting induction, air conditioning induction (public areas such as corridors and elevators)
Microwave motion sensor in operation showing detection field coverage RD24-4S sensor production and quality control process
Core Technologies
Microwave Doppler Radar Sensor 24.125GHz Radar Sensor Automatic Door Motion Detector Wide Field Detection Sensor IP54 Motion Sensor

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Seller

  • Year Established:

    2012

  • Employee Number:

    30~50

  • Ecer Certification：

    Verified Supplier

    JUTAI is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that integrates access control, parking management (parking charging system and parking guidance system), traffic lights system, and o...     JUTAI is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that integrates access control, parking management (parking charging system and parking guidance system), traffic lights system, and o...

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Get in touch with us

  • Reach Us
  • Shenzhen Jutai Comm Co., Ltd.
  • 5F, Building A1, Xuxingda Industrial Zone, Shiyan Street, Baoan District, Shenzhen, China
  • https://www.jutaigateaccess.com/

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