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Description

The 60GHz Fall Detection module, based on FMCW technology and self-algorithmic of the target’s altitude parameters, through movement changes such as speed and distance, detects and continuously records the fall status of the target, and functions the alarm for abnormal stationary periods, which is ideal for private property surveillance, falling caution, and elderly health care.

The module uses 60GHz mmWave radar technology to provide human activity detection including moving, falling, and stationary. Based on the FMCW radar system and 1 transmit 3 receive (1T3R) antenna, the radar through the algorithm accurately scans the body tomography, providing the fall detection function by height difference and speed change of the human body.

The module is suitable for top installation, and the detected area is a three-dimensional sector of 60?? horizontally and 60?? tilted and the measured distance is between 0.4-3 m.

The radar supports secondary development and it adapts to various scenarios and applications. Using a universal UART communication interface provides an extra common protocol as 4 groups of I/O 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.

Features

• Enhanced detecting algorithm: Output simultaneously human activities including moving, falling, and stationary in the self-adaption environment
• High measured accuracy: Achieve fall detection accuracy ??90% and achieve presence awareness function accuracy ??90 %
• Privacy Protection: More secure identification than the vision-based devices, with no concern about privacy leakage
• High Immunity against Interferences: Independ on temperature, humidity, noise, airflow, dust, light, and other environmental influences
• Support Secondary Development: Adapt to various scenarios and applications
• Product number: Seeed?101990981

Specifications

Detection Angle and Distance

Content Minimum Typical Maximum Units	Typical	Units
Radius of movement of people detection	6	metre
Fall monitoring radius	3	metre
Radar detection angle (horizontal)	60	degree
Radar detection angle (pitch)	60	degree

Electrical Characteristics

Content	Minimum	Typical	Maximum	Units
Operating current (ICC)	90	93	100	mA
Storage temperature (TST)	-40	–	80	??C
Operating voltage (VCC)	4.5	5	6	V
Operating temperature (TOP)	-20	–	60	??C

RF Performance

Parameters
Operating frequency (fTX)	58	–	63.5	GHz
Transmitted power (Pout)	–	–	6	dBm

Resources

• Product Wiki
• Universal Protocol
• Fall Detection Pro Module User Manual-V1.3

Pinout

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

Package Contents

• 1x 60GHz mmWave Radar Sensor Fall Detection Module Pro