The MR60BHA1 radar module uses 60GHz mmWave radar technology to achieve the functions of respiratory and heart rate detection, and sleep evaluation. Based on the FMCW radar system and 1 transmit 3 receive (1T3R) antenna, the algorithm accurately scans the motion tomography of the human body and achieves sleep detection of stationary and vital sign collection.
The module is suitable for top installation, the detected area is a three-dimensional sector of 40° horizontally and 40° tilted and the measured distance of breath and heart rate detection is between 0.4-1.5 m, sleep, and human presence detection should be ≤2.5m.
The radar supports secondary development, using a universal UART communication interface that provides an extra common protocol as 4 groups of I/O that are reserved by the user’s definition. It can also be equipped with a host computer to output detection status and data, and its several groups of GPIOs can be customized and developed by users.
Highlighted Features
- Enhanced Detecting Algorithm: Perception of human presence, stationery, respiratory and heart rate, and sleep state
- High Measured Accuracy: Achieve heart rate accuracy≥95% and respiratory rate accuracy ≥90%
- High Immunity against Interferences: Independ on temperature, humidity, noise, airflow, dust, light, and other environmental influences
- Privacy Protection: More secure identification than the vision-based devices, with no concern about privacy leakage
- Support Secondary Development: Adapt to various scenarios and applications
Applications
- Health Care
- Medical Diagnosis
- Smart Home
Specifications
|
Parameter content |
Minimum |
Typical |
Maximum |
Unit |
|
Performance |
||||
|
Detection distance (thoracic) |
0.4 |
|
1.5 |
m |
|
Respiratory measurement accuracy |
|
90 |
|
% |
|
Heartbeat measurement accuracy |
|
95 |
|
% |
|
Refresh time |
1 |
|
30 |
S |
|
Observation set-up time |
|
20 |
|
S |
|
Operating parameters |
||||
|
Operating voltage (VCC) |
4.6 |
5 |
6 |
V |
|
Operating current (ICC) |
|
150 |
|
mA |
|
Operating temperature (TOP) |
-20 |
|
60 |
℃ |
|
Storage temperature (TST) |
-40 |
|
80 |
℃ |
|
Launch parameters |
||||
|
Operating frequency (fTX) |
58 |
60 |
63.5 |
GHz |
|
Transmitted power (Pout) |
|
6 |
|
dBm |
|
Antenna parameters |
||||
|
Antenna gain (GANT) |
|
4 |
|
dBi |
|
Horizontal beam (-3dB) |
-20 |
|
20 |
o |
|
Vertical beam (-3dB) |
-20 |
|
20 |
o |
Hardware Overview
Interface 1:
- The 5V pin is the power supply interface for the sensor.
- RX and TX are the data transmission interfaces for the sensor. RX means serial receive and TX means serial transmit.
- The human presence status output interface. You can use the level of these two pins to determine the current human movement in the environment.
- GP2 output: high level - occupied, low level - unoccupied.
- GP1 output: high level - active, low level - stationary.
Interface 2:
- Flash firmware pinout: GND/3.3V/SWD/SWC
- Overhead input/output pins: GP3~GP6.