24GHz mmWave Radar Sensor
4μA+ Ultra-Low Power
Low Power
High Performance
Compact Size
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• Supports motion, micro-motion, and presence detection
• FOV: 120°
• Maximum detection range: 15m
• Anti-interference support
• PWM mode support
•OTA support
• Radome structure noise floor detection
• Environmental adaptability
• Spectrum Upload
• Sensing power consumption: 4μA+
The MRS261L is an ultra-low power, ultra-compact, and highly integrated 24GHz 1T1R AoB (Antenna-on-Board)mmWave radar sensor. It integrates a 24GHzmmWave radar antenna, RF front-end, baseband, and application processor.
The MRS261L offers high-precision ranging capabilities and superior human presence detection ability, enabling accurate perception of human with motion, micro-motion, or presence.
With a fully integrated SoC system, radar sensing algorithms, and application firmware, the MRS261L allows rapid product deployment through tool configuration and one-click firmware generation for product solutions.
• Motion/Micro-Motion/Presence Detection
• Doorbells/DoorLocks/IP Cameras
• Switch/Panels
• Air Conditioners/Refrigerators
• PC/Notebooks/Tablets/Televisions
• Intelligent Lighting
• Smart Toilets/Urinals
| Name | Related | Version |
Date
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|---|---|---|---|
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MRS261L_24GHz_Milimeter_Wave_Sensor_Datasheet.pdf
This document provides users with a brief technical specification of the MRS261L module.
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R1.23_V2.1
R1.23_V2.1
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2026/03/26
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+
MRS261L_Motion_Presence_EN.zip
This product package is for the MRS261L, which includes the SDK and HDK.
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R1.23.2
R1.23.2
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2026/05/17
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MRS2xx_mmWave_Sensor_Demo_User_Manual.pdf
This guide applies to the MRS2 Series radar sensors (including MRS261L, MRS262, and MRS251). It describes how to use the MRS2xx DemoTool PC utility for configuration, real‑time observation, and custom firmware generation.
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R1.23_V3.3
R1.23_V3.3
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2026/03/26
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+
MRS2xx_mmWave_Radar_Sensor_Host_Development_Manual.pdf
MRS2 Series Radar Sensor Host Controller Driver Development Guide.
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R1.23_V2.6
R1.23_V2.6
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2026/03/26
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R1.23_V1.1
R1.23_V1.1
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2026/03/26
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R1.23_V1.2.0.31
R1.23_V1.2.0.31
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2026/03/26
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R1.23_V1.0.0.1
R1.23_V1.0.0.1
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2026/03/26
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R1.23_V1.2
R1.23_V1.2
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2026/03/26
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R1.23.2_V0.1.0.42
R1.23.2_V0.1.0.42
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2026/05/17
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R1.23_V2.4
R1.23_V2.4
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2026/03/26
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R1.23_V1.2
R1.23_V1.2
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2026/03/26
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R1.23_V1.0
R1.23_V1.0
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2026/03/26
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| Name | Related | Version |
Date
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|---|---|---|---|
|
+
MRS261L_24GHz_Milimeter_Wave_Sensor_Datasheet.pdf
This document provides users with a brief technical specification of the MRS261L module.
|
|
R1.23_V2.1
R1.23_V2.1
|
2026/03/26
|
|
+
MRS2xx_mmWave_Sensor_Demo_User_Manual.pdf
This guide applies to the MRS2 Series radar sensors (including MRS261L, MRS262, and MRS251). It describes how to use the MRS2xx DemoTool PC utility for configuration, real‑time observation, and custom firmware generation.
|
|
R1.23_V3.3
R1.23_V3.3
|
2026/03/26
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+
MRS2xx_mmWave_Radar_Sensor_Host_Development_Manual.pdf
MRS2 Series Radar Sensor Host Controller Driver Development Guide.
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R1.23_V2.6
R1.23_V2.6
|
2026/03/26
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R1.23_V1.1
R1.23_V1.1
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2026/03/26
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R1.23_V1.2
R1.23_V1.2
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2026/03/26
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| Name | Related | Version |
Date
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|---|---|---|---|
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R1.23_V1.2.0.31
R1.23_V1.2.0.31
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2026/03/26
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R1.23_V1.0.0.1
R1.23_V1.0.0.1
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2026/03/26
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| Name | Related | Version |
Date
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|---|---|---|---|
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R1.23_V1.2
R1.23_V1.2
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2026/03/26
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R1.23.2_V0.1.0.42
R1.23.2_V0.1.0.42
|
2026/05/17
|
| Name | Related | Version |
Date
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|---|---|---|---|
|
+
MRS261L_Motion_Presence_EN.zip
This product package is for the MRS261L, which includes the SDK and HDK.
|
|
R1.23.2
R1.23.2
|
2026/05/17
|
| Name | Related | Version |
Date
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|---|---|---|---|
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R1.23_V2.4
R1.23_V2.4
|
2026/03/26
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R1.23_V1.0
R1.23_V1.0
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2026/03/26
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