MDR_Micro_A
[MDR_Micro_A] Features
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24GHz K-band radar
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One board solution
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Include antenna and DSP module
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Small size / Low cost
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Low power consumption
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GPIO, UART or I2C(option) interface
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Customer friendly output
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Easily use
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Replace PIR Sensor
[MDR_Micro_A] Applications
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Lighting Control
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Intrusion Detection
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Indoor Automation
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Movement Detection
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Speed(with direction) Detection : Only Ver2.0
[MDR_Micro_A] Specification
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Features
Project name
MDR_Micro_A
TX power
14 dBm
Interface
GPIO, UART
Hardware size
22.1 x 18.1 x 3.1mm
Antenna gain
8 dBi
Operating temperature
-30 ℃ ~ 85 ℃
Transmit frequency
24.15GHz
Antenna pattern (-3dB width)
Horizontal :100° , Vertical :100°
Storage temperature
-50 ℃ ~ 125 ℃
Channel
1 RX channel, 1 TX channel
Supply voltage / current
5 Vdc / 60 mA
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Performance
Update rate
260 ~ 350ms
Velocity-Error
±0.5 km/h
Detect distance-Range
Person : 6m
Velocity-Range
0 ~ 50 km/h
Velocity-Resolution
0.5 km/h
[MDR_Micro_A] Dimension
![[MDR_Micro_A]-Dimension.jpg](https://static.wixstatic.com/media/2645a8_51cf3b58f7814ec6b38ab09383440f59~mv2.jpg/v1/fill/w_700,h_344,al_c,lg_1,q_80,enc_auto/%5BMDR_Micro_A%5D-Dimension.jpg)
[MDR_Micro_A] Dimension
![[MDR_Micro_A]-Antenna-Pattern(-3dB).jpg](https://static.wixstatic.com/media/2645a8_0c1a1155a8e44c54bbe062486920e65d~mv2.jpg/v1/fill/w_700,h_314,al_c,q_80,enc_auto/%5BMDR_Micro_A%5D-Antenna-Pattern(-3dB).jpg)
[MDR_Micro_A] Pin Map
![[MDR_Micro_A]-Pin-map.jpg](https://static.wixstatic.com/media/2645a8_7416fbaf878a415eaea76b28f92a9668~mv2.jpg/v1/fill/w_582,h_344,al_c,q_80,enc_auto/%5BMDR_Micro_A%5D-Pin-map.jpg)
PIN 1 : VCC 5V DC / Power +
PIN 2 : GND / Power -
PIN 3 : GPIO_OUT1 / Motion detection status output
PIN 4 : N.C / Not Used
PIN 5 : I2C1_SCL_USART1_TX /
UART data transmit (TTL level : 3.3V)
PIN 6 : I2C1_SCL_USART1_RX /
UART data receive (TTL level : 3.3V)
PIN 7 : N.C / Not Used
PIN 8 : N.C / Not Used