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Wireless 24G Bio-Radar Sensor for Breathing and Sleep Monitoring, IR24BDA

The IR24BDA radar module is a radar detection module based on the millimeter wave Doppler radar theory, which achieves
human biological motion perception, human biological perception and human breathing detection.
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☆ INTRODUCTION


 

The IR24BDA radar module is a radar detection module based on the millimeter wave Doppler radar theory, which achieves human biological motion perception, human biological perception and human breathing detection.This module is based on the enhanced Doppler radar signal processing theory, and achieves wireless perception of the status of personnel in a specific place through the synchronous sensing technology of Doppler parameters of personnel movement and physiological parameters of personnel. It can be tested with our radar test board.(DERADAR-24G), or our converter adapter module(iflabel Link)
 
The 32 array antenna form of this module: wide beam radar module. The wide beam radar module is mainly applicable to the top installation mode to realize radar detection in a large angle range; If it is used for horizontal or inclined installation, it is necessary to pay attention to the occlusion of the actual scene in order to realize the radar detection function in a longer range.

 

Relevant manual about this product on Library


 

 FEATURE


 

● It realizes the synchronous perception function of moving personnel and static personnel (sitting and sleeping);
● It can keep the detection of static personnel and ensure real-time output;
● It can keep relevant information such as sleep and breathing of sleepers and record relevant sleep time curve information;
● It can quickly output the far and near state of the target range radar;
● It can detect various motion amplitudes and output numerical state in real time;
● It can limit the detection object to persons with biological characteristics (moving or stationary), and eliminate the interference of other inanimate objects in the environment;
● This module can effectively eliminate the interference of non-living objects, and can also realize the detection of non living moving objects;
● The product supports secondary development and adapts to a variety of scenarios; General UART communication interface to provide general protocol;
● Four groups of I/O are reserved, which can be input and output according to user definition, or simple interface simulation;
● Low output power, no harm to human body;
● It is not affected by temperature, light, dust and other factors, with high sensitivity and wide application fields.

 

 

 

 

 

 THE ABOVE PRICE INCLUDE


 

1)  Wireless 24G Bio-Radar Sensor for Breathing and Sleep Monitoring, IR24BDA*1pc



 

 OPERATING MODE


 

The beam coverage of IR24BDA radar module is shown in the figure. The coverage is a 3D fan-shaped area, horizontal 40°,pitching 40°.

 

Note: Affected by the radar beam characteristics, the radar operates far in the normal direction of the antenna plane, but the operating distance deviates from the normal direction of the antenna will become shorter. When the radar is installed on the top or obliquely, the radar is affected by the radar beam range and effective radiation space. The scope of action will be reduced, which needs attention when using.
 
 


 

 MAIN FUNCTION


 

Main function of the radar module includes:
A.Human breathing detection;
(1) Max detection ranger:≤2.75 m;
(2) Response time:≤60s;
B. Breathing rate statistics:
(3) Max detection ranger:≤1.5m;
(4) Max breathing detection frequency:≤30 times;
(5) Minimal breathing detection frequency:≥12 times;
C. Sleep quality evaluation;
D.Sleep duration records;
E. Environmental state evaluation;
F. Alert design



 

 PRECAUTIONS


 

1. Start Time
When the module starts to work when it is initially powered on, it is necessary to completely reset the internal circuit of the module and fully evaluate the environmental noise to ensure the normal operation of the module. Therefore, when the module is initially powered on, it needs a startup stability time of ≥30s to ensure the validity of subsequent output parameters.

2. Effective detection distance
The detection range of the radar module is greatly related to the target RCS and environmental factors. The effective detection range may change with changes in the environment and the target. This module does not have a ranging function for the time being, so it is normal for the effective detection range to fluctuate within a certain range.

3. Radar biological detection performance
Because human biological characteristics belong to ultra-low frequency and weak reflection characteristic signals, radar processing requires a relatively long cumulative processing.During the cumulative process, many factors may affect the radar parameters, so occasional detection failure is normal.

4. Power
The radar module requires higher power quality than conventional lowfrequency circuits. When powering the module, it is required that the power supply has no threshold glitches or ripples and that it effectively shields the power supply noise caused by accessory equipment.
 
The radar module needs to be well grounded. Due to the ground noise brought by other circuits, the performance of the radar module may even be reduced or even work abnormally; the most common cause is a shorter detection distance or an increased false alarm rate. In order to ensure the normal operation of the VCO circuit inside the module, the power supply requirement for this module is + 5V- + 6V power supply, voltage ripple≤50mV. The external power supply must provide sufficient current output capability and transient response capability.

 

 

 

 FAQ


 

1. Interference factors
Radar is an electromagnetic wave detection sensor, and active non-living objects will cause false alarms. The movement of metals and liquids can cause misjudgments. Usually, electric fans, pets close to the radar, and the shaking of metal curtains will cause misjudgments. Radar needs to be planned from the perspective of installation.
 
2. Non-interference factors
Radar electromagnetic waves can penetrate human clothing, curtains, veneer, and glass. It is necessary to determine the installation angle and performance of the radar according to the application.
 
3. Semi-interference factor
The radar judges the presence of a human body and is not suitable for directly facing the air conditioner. The motor inside the air conditioner can cause the radar to misjudge. Radar products can not directly face the air conditioner. It can be the same direction as the air conditioner.
 
 



 

 ABOUT US



Please feel free to contact us for any questions, on trademanager, or send message to me. It's our pleasure to serve you! We appreciate your business!!
My email is: info@good-display.com

 

☆ SPECIFICATION


 


 




☆ ELECTRICAL PARAMETERS


 

1. Detection Angle and Distance

 

Parameters Minimum Typical Maximum Unit
IR24BDA (32 point narrow beam antenna)
Sleeping Personnel Perception Range - - 2.75 m
Sleeping Personnel Breathing Perception Range 0.5   1.5 m
Radar Detection Angle
Horizontal
-   - degree
Radar Detection Angle
Pitching
-   - degree


2. Electrical Parameters
 

Parameters

Minimum

Typical

Maximum

Unit

Voltage(VCC)

4.5

5.0

6

V

Current(ICC)

90

93

100

mA

Operating IO Input/Output Current (IIO)

-

8

20

mA

Operating Temperature(TOP)

-20

-

+60

Storage Temperature(TST)

-40

-

+80



3. RF Performance
 
Transmission Parameters
Working Frequency(fTX 24.0 - 24.25 GHz
Transmit Power(Pout - - 6 dBm
  



☆ EXTERNAL DIMENSION AND I/O PIN ASSIGNMENT


 

1. External Dimension
 
 
2. I/O Pin Assignment
 
Interface Pin Description Typical Description
 
 
 
Interface 1
1 5V 5.0V Power input positive terminal
 
2 GND   Ground
3 RX   Serial port receiving
4 TX   Serial port sending
5 S1 3.3V/0V Someone/nobody
6 S2 3.3V/0V Static/active
 
 
 
 
Interface 2
1 3V3 3.3V Output power
2 GND   Ground
3 SL   Keep
4 SD   Keep
5 GP1   Spare extension pin
6 GP2   Spare extension pin
7 GP3   Spare extension pin
8 GP4   Spare extension pin
 

Note:
1. S1 output: high level-someone, low level-nobody;
2. S2 output: high level-active, low level-static;
3. GP1 ~ GP4 are parameter selection control terminals, which can be redefined according to user needs.
4. All output signals from this interface are 3.3V level.

24GHZ mmWave Radar Module (Serial Communication/ No access to Internet/ Secondary development)

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Product Name 

Radar Sensor for Human Presence Detection

Part Number

IR24VDA

Operating Frequency

24GHZ

Operating 

Voltage/Current

5V/93mA 

Dimension

35x30mm

Installation 

Top/Inclined/Horizontal

Communication

Serial Communication

Main Functions

1. Some body state/Nobody state 

2. Stationary/Active state 

3. Output motion sign parmater 

 

 

 CLICK TO LEARN MORE

Product Name

Radar Sensor for Falling Detection

Part Number

IR24FDA 

Operating Frequency

24GHZ 

Operating 

Voltage/Current

5V/93mA

Dimension

35x30mm

Installation

Top

Communication

Serial Communication

Main Functions

1. Some body state/Nobody state

2. Stationary/Active state

3. Output motion sign parmater

4. Falling Detection

 

 

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Product Name

Radar Sensor for Vitial Sign and Sleeping Monitoring

Part Number

IR24BDA 

Operating Frequency

24GHZ 

Operating 

Voltage/Current

5V/93mA

Dimension

46x27.5mm

 Installation

Top/Inclined

 Communication

Serial Communication

Main Functions 

1. Some body state/Nobody state

2. Stationary/Active state

3. Output motion sign parmater

4. In bed/Out of bed state/ times

5. Sleep quality assessment

6. Breathing monitoring

 

 

 

 

24GHZ mmWave Radar Evaluation Board (Serial Communication/ Access to Internet/ Output Data on APP)


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Product Name

24G mmWave Radar Evaluation Board

Part Number

DERADAR-24

Input Voltage/Current

DC5V ≥500mA

Dimension

70*55mA

Communication

Serial Communication, Tuya Cloud

Software

Tuya Smart APP

Main Functions

1. For connecting 24G radar : IR24VDA, IR24FDA, IR24BDA

2. Access to Tuya Cloud

3. Cloud to Cloud connection

4. Output data on APP

 

 

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