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Millimeter Wave Radar Sensor
Slow-speed Detection Radar
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Millimeter Wave Radar Sensor
Slow-speed Detection Radar
Traffic Car Sensor Radar
Vehicle Speed Sensor Detection
Velocity Sensor Detector
Microwave Vehicle Radar Detector

24GHz Millimeter Wave Low Speed Radar Ground Speed Sensor

LDTR08L is a 24GHz high-sensitivity low-speed detection radar with integrated microstrip antenna, RF and signal processing circuit. It realizes ultra-low speed detection down to 0.03m/s with accuracy ±0.01m/s, ideal for low-speed freight trains, lawn tractors, agricultural machinery and engineering vehicles. Supports bidirectional speed recognition, RS485, ASCII/MODBUS protocol.

This low-speed radar can also be used on lawn tractors, household tractors, and agricultural tractors.

1. Ultra-Low Speed Detection (0.03m/s):Captures extremely slow movement of tractors or freight trains, ensuring accurate speed monitoring at near-stop conditions.
2. High Precision ±0.01m/s:Provides reliable speed data for precision agriculture and industrial automation.
3. Rugged & Reliable:IP67 waterproof rating and -40℃~85℃ working temperature ensure stable operation in dusty, rainy, or freezing farm/yard environments.
4. Easy Integration:RS485 interface with ASCII/MODBUS protocol, wide 9-24V power range, suitable for most industrial and vehicle control systems.

Main Parameters

Part number LDTR08L
Voltage 9-24V
Current 100mA, at 12V
Frequency range 24GHz
EIRP 20dBm
Measurement range 0.03-20m/s
Measurement accuracy ±0.01m/s
Resolution 0.01m/s
Speed direction recognition Bidirectional automatic identification
Refresh Rate 1Hz
Digital interface RS485
Baud rate 9600bps
Storage temperature -40℃ ~ +125℃
Working temperature -40℃ ~ +85℃
Protocol ASCII\MODBUS
Type Slow-speed detection radar
Waterproof IP67
Radar Type CW Doppler Radar

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Application

  • Low-speed freight train incoming detection
  • Lawn tractor & agricultural machinery speed control
  • Low-speed engineering vehicle monitoring
  • Industrial low-speed motion detection

Suitable for agricultural machinery, engineering vehicles, low-speed trains and industrial motion speed monitoring.

How accurate is the measurement?
±0.01 m/s accuracy with 0.01 m/s resolution.
Can it detect direction?
Yes, bidirectional automatic identification. Direction can be configured for filtering.
What interface and protocols does it use?
RS485, supporting both ASCII and MODBUS protocols (switchable via commands).
What are the power requirements?
9V–24V DC (typical 12V), with ~100mA current consumption at 12V.
What is the recommended installation distance and angle?
Distance: 1m–10m (5m preferred). Pitch angle: 40°–60° between antenna plane and horizontal.
Is it suitable for harsh environments?
Yes, IP67 waterproof aviation plug connector.
What is the temperature range?
Operating up to 85°C, storage up to 125°C.

Technical Support & Custom Solution

We provide datasheet, dimension drawing, interface protocol, demo code and technical support.

Support sample test, ODM/OEM customized service, welcome global customers to inquire and cooperate.

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