DFRobot mmWave – C4001 24GHz Human Presence Detection Sensor (25 Meters, UART)


In stock

SKU: R110736
  1. Operating voltage: 3.3V
  2. Maximum detection range: 25m
  3. Beam angle: 100*40°
  4. Modulation mode: FMCW
  5. Operating frequency: 24GHz
  6. Operating temperature: -40~85℃
  7. Baud rate: 9600


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Brand: DF Robot
Category: PIR / IR and Optical Sensor

The C4001 millimeter-wave presence sensor utilizes a wavelength signal of 24GHz. It has a detection range of 100° horizontally, with a presence detection range of 16 meters and a motion detection and distance measurement range of 25 meters. It is suitable for human presence detection, environmental monitoring, and real-time monitoring projects.


  1. Human Detection
  2. Distance and Velocity Detection
  3. Environmental Monitoring
  4. Industrial Automation
  5. Real-time Monitoring and Tracking


  1. Human detection: Detection range up to 16 meters and motion detection range up to 25 meters.
  2. Distance detection: Range from 1.2 meters to 25 meters.
  3. Velocity detection: Range from 0.1 meters per second to 10 meters per second.
  4. Strong anti-interference capability, unaffected by snow, haze, temperature, humidity, dust, light, noise, etc.
  5. High and low-level output control through I/O ports.
  6. Input and output control via serial port.
  7. Small size, easy to integrate.

Package Includes:

1 x C4001 mmWave Presence Sensor 25m

5-pin header

SKU: R110736 Category:
Operating Voltage (V)


Detection range


Modulation Mode




Operating Temperature (°C)


Baud Rate


Shipping Weight 0.01 kg
Shipping Dimensions 7 × 7 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China