24GHz mmWave Radar Sensor – Fall Detection Module


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Approx Restocking Date: 25 to 30 Days
SKU: 1181673
  1. Operating voltage (VCC) 4.5 ~ 6 V
  2. Operating current (ICC) 90 ~ 100 mA
  3. Flexible install location
  4. Operating I\O Inflow/Output Current (IIO): 20 mA
  5. Singular fall detection
  6. Perfect privacy protection
  7. Harmless working status


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Category: PIR / IR and Optical Sensor
Tags: RADAR Sensor, Fall detection

The mmWave Fall Detection Radar Sensor Module is a self-contained near distance sensor(NDS) based on Infineon mmWave FMCW industrial radar operating at 24GHz. The unit is built with the enhanced Doppler radar signal processing mechanism and standard algorithm which enables distinguishing between the occupied and unoccupied conditions and identifying human activities in a self-adaption environment, especially human falling. It is an ideal solution for high-accurate, self-regulation, privacy-protected, secure biotic radar systems in individual applications, such as elderly health care, smart home, human behave detecting, danger alarm.

Seeed Studio DvCompared to the traditional PIR sensor, the Human Fall Detection module has more sensitivity to human activities like standing, moving, and falling. And because the transmitting wave is millimetre-level, it will remain functioning even shelter block. Not like the PIR sensor short responding, the module keeps sensing people continuously which makes it quite useful during the living room, hotel, or even prison.

Seeed Studio VTThe module contains a standard self-learning algorithm, it can detect simultaneously, privacy-protectively, and it can manage different environments whether the location is a little noisy or extremely peaceful. Above that, it highly decreases the interference of non-living objects and the detect output is up to 95 % accuracy.

Seeed Studio Fr4FallThere is a two-array, high-performing antenna built on the module and it has fan-beam pattern beamwidth where the Horizontal is 90° and Vertical is 60° which makes its sensing area as high as 96m2. Additionally, it even can sense micromotion. The module is very adaptable to the environment and it can maintain proper functioning even if the environmental factors are different. The output power is very low which ensures it is harmless to the human body even in prolonged expos

Seeed Studio R4



  1. Reliable tech: Infineon mmWave FMCW industrial radar
  2. Enabled theory: Apply Doppler radar technology with Near Distance Sensor(NDS) operating at 24GHz
  3. Standard algorithm: Distinguish occupied/unoccupied conditions and identify human activities in the self-adaption environmen
  4. Singular fall detection: Detect simultaneously, privacy-protectively, wirelessly, wearable-freely of suspect falling/rapid fall/abnormal long stay in an area up to 20m
  5. Perfect privacy protection: Provide surveillance capabilities without identification
  6. Flexible install location: Operate properly regardless of the shelter blocks
  7. Harmless working status: Output 10 dBm harmless energy power
  8. High accuracy: Decrease the interference of non-living objects and the output results achieve more than 95% accuracy
  9. High robustness: Maintain proper functioning in a complex environment containing different temperatures, humidity, noise, air currents, dust, light and so on.
  10. High performing antenna: Sense even micromotion in a fan-beam pattern where Horizontal90°/ Vertical60°
  11. Measurement distance:
    • Motion perception maximum distance: up to 12 meters
    • Micromotion perception maximum distance: up to 5 meters
    • Body perception maximum distance: up to 3 meters
  12. Detecting time:
    • Unoccupied to occupied status: within 0.5 seconds
    • Manned to unmanned status: above 1 minute
  13. Customizable radar: Support secondary development including radar parameter, protocol, antenna, function

Package Includes:

1 x 24GHz mmWave Radar Sensor – Fall Detection Module

Operating voltage (VCC)

4.5 ~ 6 V

Operating current (ICC)

90 ~ 100 mA

Operating I\O Inflow/Output Current (IIO)

20 mA

Operating temperature (TOP)

-20 ~ +60 ℃ -20 ~ +60 ℃

Storage temperature (TST)

-40 ~ +80 ℃

Shipping Weight 0.004 kg
Shipping Dimensions 11 × 7 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids 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