Grove - Doppler Radar (BGT24LTR11) (24GHz Transceiver)

The Doppler Radar is a compact and low-power all-in-one sensor (Distance, Motion, Velocity and Angle Detection) based on the BGT24LTR11 Silicon Germanium MMIC, a 24GHz radar transceiver, and driven by the XMC1302 MCU with an Arm® Cortex®-M0 core. It is compatible with Arduino (With a Grove - Base Shield) and Raspberry Pi (Only with the Grove-Base HAT) Its high frequency allows it to penetrate through objects, meaning it can be installed behind surfaces without needing direct exposure, making it especially useful in security systems. Additionally, it performs well in harsh weather conditions, such as high temperatures, dust, and rain, providing reliable operation in challenging environments. Features

* The first radar-based sensor in the Grove Family

* Compact size for easy deployment

* Light-weight design, suitable for UAV applications

* Low power consumption for prolonged usage

* 24GHz Transceiver MMIC for high-precision measurements

* Fast response using electromagnetic waves

* ESD protection to avoid system failures caused by ESD strikes

* High penetration which allows it to be deployed behind an object

* Maintains operation through harsh weather conditions (temperature, light, dust, rain)

* Product Number: Seeed 109020021

Specifications

MMIC BGT24LTR11

MCU XMC1302 Arm® Cortex®-M0

Transmission Frequency Min: 24GHz

Typical 21.125GHz

Max 24.25GHz

Output Power (EIRP) 7dBm @ 25°C

Update Time 300ms

Communication Interface UART (115200)

Detection Distance 10m @ 0dBsm

Standard Detection Field 65° / horizontal (-6dB); 22° / vertical (-6dB)

Supply Voltage 3.3-5V

Weight 5g

Resources

* Product Wiki

* Demo Code Library

Pinout

Package Contents

* 1 x Grove - Doppler Radar

* 1 x Grove Cable