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FR24Y4MF-1815S(A)

FR24Y4MF-1815S(A)

FR24Y4MF-1815S(A) Radar Module Module 24G Life Presence Sensor is a human body sensor designed by Fei Rui, which includes extremely simplified 24G radar sensor hardware FR24Y4MF-1815S(A) and intelligent algorithm firmware.

FR24Y4MF-1815S(A) hardware is equipped with a high-performance 24GHz one-transmit-one-receive antenna and peripheral circuits; FR24Y4MF-1815S(A) human body induction algorithm adopts millimeter-wave radar distance measurement technology and high-performance chip advanced proprietary signal processing technology to achieve Correct perception of movement, micro-movement and standing human body.

FR24Y4MF-1815S(A) firmware is mainly used in indoor scenes to sense whether there is a moving or slightly moving human body in the area, and refresh the detection results in real time. FR24Y4MF-1815S(A) has a long-distance sensing distance of 20 meters to a moving human body. It can easily configure the sensing distance range, sensing sensitivity and refresh time in different intervals. It supports GPIO and UART interfaces, plug and play, and can be flexibly applied to different intelligences. Scenes and end products.

Features

Equipped with a single-chip smart millimeter wave sensor SoC and smart algorithm firmware

·Ultra-small module size: 18mm x 15mm

·FR24Y4MF-1815S(A) loads the default human body sensing configuration, plug and play

·24GHz ISM frequency band, can pass FCC and CE spectrum regulations certification

·3.3V power supply, support 3.0V~3.6V wide voltage range

·Average current 42mA during continuous operation

·Detection target is moving, micro-movement or standing human body

·Real-time reporting of detection results

·Provide visualization tools to support the configuration of detection distance range, sensitivity setting between partitions and result reporting time

·Support the division of the sensing range, so as to completely shield any interference outside the interval

· Sensing at a close distance of 0.2 meters, no detection blind spots

· Motion human body induction 20 meters long distance

·Large detection angle, coverage of +-70 degrees

Support multiple installation methods such as ceiling and wall

System specification

FR24Y4MF-1815S(A) is a reference solution for intelligent and correct human sensing sensors based on millimeter wave sensor chips. The sensor uses FMCW frequency modulation continuous wave, combined with radar signal processing, and built-in intelligent human body induction algorithm to detect human targets in the set space and update the detection results in real time. Using the Fei Rui intelligent millimeter wave sensor reference solution, users can quickly develop their own correct human body sensing products.

The hardware part of FR24Y4MF-1815S(A) is mainly composed of fully integrated Fei Rui smart millimeter wave sensor SoC, 24G one-transmit and one-receive antenna and main control MCU; the software part is combined with Fei Rui's firmware and visual configuration tools to achieve flexibility Configure the human body sensing function of sensing distance, sensitivity and reporting time.

Specifications

parameter

Small value

typical

Large value

Company

condition

Fr24y4mf-1815s (a) hardware specification

Support frequency band

24

25

GHz

Support large sweep bandwidth

1

GHz

Equivalent omnidirectional radiation power

15

dBm

Supply voltage

3.0

3.3

3.6

V

Half power beamwidth pitch

- 45 ~ +45

 

?

Half power beamwidth azimuth

- 45 ~ +45

 

?

size

18 x 15

mm x mm

ambient temperature

-40

85

Fr24y4mf-1815s (a) system performance

Range detection range

0.2

20

m

Human target

Range resolution

0.7

m

Human target

Operating frequency band

24

24.25

GHz

Sweep bandwidth

250

MHz

Average operating current

42

mA

Installation conditions

Confirm installation clearance

Before installing the radar, you need to test the installation gap between the antenna and the housing. When the housing is too close to the antenna, the radar reception will be saturated. However, the installation gap between different materials, different thicknesses, and different shapes of the housing and the radar antenna will be different.


Installation environment requirements

This product needs to be operated in a suitable installation environment. If it is operated in the following environment, the test results will be disturbed:

·There are non-human objects that move continuously in the sensing area, such as animals, continuously swinging curtains, large green plants facing the air outlet, etc.;

·There is a large area of strong reflectors in the sensing area, and the strong reflectors will interfere with the radar antenna.


Precautions during installation

·When installing, make sure that the installation position of the sensor is firm and stable. The shaking of the radar itself will have a great influence on the signal processing.

·When installing, make sure that there is no object movement or vibration on the back of the radar. Due to the penetrating nature of radar radio frequency waves, the signal on the back of the antenna will also pass through the radar board. If there is an object moving on the back, it will also be collected by the antenna, which will affect the judgment effect. A radome or backplane can be used to reduce the impact of objects on the back of the radar.

·When installing, try to ensure that the radar antenna is facing the area to be detected, and the antenna is open and unobstructed.