The LDSR100A is a high-performance handheld speed measurement device based on advanced millimeter-wave Doppler radar technology. By emitting stable millimeter-wave signals and analyzing the Doppler frequency shift from moving targets, this radar speed sensor delivers precise, real-time velocity readings with exceptional accuracy of ±1% across a measurement range of 40 to 240 KPH. Whether you’re tracking a 150 KPH tennis serve, monitoring a 160 KPH baseball pitch, measuring a golf ball launch speed, or checking industrial equipment, the LDSR100A provides the reliable, non-contact velocity data you need — instantly.
1. Advanced Doppler Radar Technology in Your Hand
At the heart of the LDSR100A lies a sophisticated 24GHz radar sensor that delivers professional-grade speed measurement in a compact, handheld form. Unlike conventional speed guns that require line-of-sight alignment, this millimeter-wave radar system captures moving targets with remarkable consistency, detecting objects from 1 to 20 meters away with a focused 24°×12° beam that ensures precise target acquisition. The device’s non-contact measurement capability makes it ideal for applications where physical contact is impractical or impossible.
2. Real-World Applications
Baseball Pitching & Training
For baseball players, coaches, and scouts, the LDSR100A is an indispensable training tool. Track pitching velocity from 1 to 20 meters with ±1% accuracy — whether you’re monitoring a youth player’s development or a professional’s fastball. The real-time display provides immediate feedback, enabling pitchers to adjust their mechanics and optimize performance on the spot. With the ability to store up to 10 readings, you can review pitch-by-pitch data and track velocity trends without interrupting practice.
Golf Swing Analysis & Launch Monitoring
Golfers of all levels benefit from precise speed measurement. The LDSR100A captures club head speed and ball launch velocity with consistent reliability, helping players fine-tune their swing for maximum distance and accuracy. Whether on the driving range or the course, this handheld speed radar provides instant feedback that translates directly to performance improvement.
Tennis & Racquet Sports
From powerful serves exceeding 200 KPH to groundstrokes and volleys, the LDSR100A captures every critical moment on the court. Coaches can track player development, compare performance metrics, and provide data-driven feedback during training sessions.
Cricket Bowling & Batting
Cricket players can measure bowling speeds and batting exit velocities with precision. The LDSR100A’s ability to detect fast-moving spherical objects makes it ideal for both pace bowling analysis and batting practice.
Football (Soccer) & Team Sports
Track shot power, passing speed, and player running velocities across various team sports. The high refresh rate ensures no fast movement goes undetected, making it an essential tool for sports academies, university athletic programs, and professional training facilities.
Industrial & Mechanical Speed Monitoring
Beyond sports, the LDSR100A excels in industrial applications. Use it to verify conveyor belt speeds, monitor rotating machinery, or check assembly line velocities — all without contact and without production stoppages. Its non-contact measurement capability makes it ideal for hazardous or inaccessible environments.
Research & Educational Use
From physics demonstrations to engineering research, the LDSR100A serves as a versatile teaching and measurement tool. Its UART and BLE communication interfaces enable integration with data acquisition systems, making it suitable for laboratory experiments and research projects requiring precise velocity measurement.
Speed Measurement Equipment Retrofitting
The LDSR100A’s modular design makes it perfect for secondary development and integration applications. Upgrade existing speed measurement systems in training venues, develop custom sports teaching equipment, or create specialized measurement solutions for unique applications — the flexible platform adapts to your needs.
3. Designed for Professionals, Built for Reliability
Long-Lasting Performance
With over 12 hours of continuous operation on a single charge, the LDSR100A keeps up with long training sessions, extended research periods, and demanding industrial shifts. The intuitive three-button interface — power, unit switch (KPH/MPH), and data playback — ensures immediate operation without complex menus.
Intelligent Power Management
The device features automatic shutdown after 5 minutes of inactivity, preserving battery life during breaks. When battery capacity drops below one bar, a visual alert ensures you’re never caught off guard during critical measurements.
All-Weather Robustness
While designed for stable operation across various environments, the LDSR100A performs reliably in most outdoor conditions. Its robust design handles the demands of field use, from sunny baseball diamonds to windy golf courses and industrial workshops.
4. Key Specifications
| Parameter | Value |
|---|---|
| Technology | 24GHz Doppler radar sensor |
| Speed Range | 40 – 240 KPH (switchable to MPH) |
| Measurement Accuracy | ±1% |
| Detection Distance | 1 – 20 meters (baseball, golf ball, tennis ball) |
| Beam Angle | Horizontal 24° × Vertical 12° |
| Transmission Power | <20dBm @ EIRP |
| Operating Voltage | 2.5 – 3.3V ±10% DC |
| Operating Current | <200mA (working), <30mA (standby) |
| Operating Hours | >12 hours |
| Communication | BLE / UART |
| Interfaces | Power button, unit switch, data playback |
5. Simple Operation, Professional Results
Step-by-Step Operation
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Power On – Briefly press the power button; the device self-checks in 3 seconds
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Select Units – Toggle between KPH and MPH with a single press
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Aim & Measure – Point at the moving target and read real-time speed instantly
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Store & Review – Data auto-saves after 3 seconds of no detection; press playback to review up to 10 stored readings
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Power Off – Press and hold for 2 seconds to shut down
Intelligent Features
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Data Playback Mode: Review up to 10 stored measurements with REC mode indicator
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Auto-Save: No manual saving required — data stores automatically
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Auto-Shutdown: Powers off after 5 minutes of inactivity to conserve battery
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Visual Alerts: Battery indicator with low-power warning
6. Why Choose the LDSR100A?
| Feature | Advantage |
|---|---|
| Technology | 24GHz Doppler radar – professional-grade accuracy |
| Accuracy | ±1% – reliable data for critical applications |
| Range | 40-240 KPH – covers everything from training to professional competition |
| Detection | 1-20m – flexible positioning for baseball, golf, tennis & more |
| Battery Life | >12 hours – all-day operation |
| Portability | Compact, handheld design – easy to carry and use |
| Connectivity | BLE/UART – ready for integration and data logging |
| Data Storage | 10 readings – review performance on the fly |
7. Conclusion
The LDSR100A handheld radar speed sensor is more than just a speed gun — it’s a versatile, high-precision measurement tool designed for professionals who demand accuracy and reliability. Whether you’re a baseball coach tracking pitch velocity, a golfer analyzing swing speed, a tennis coach monitoring serve performance, an engineer monitoring industrial machinery, or a researcher conducting velocity experiments, this 24GHz radar sensor delivers the performance you need.
With its intuitive operation, long battery life, and versatile connectivity options, the LDSR100A is the ideal choice for sports performance analysis — especially baseball and golf — as well as industrial speed monitoring and educational applications. Experience the precision of millimeter-wave Doppler radar technology — all in the palm of your hand.
For technical datasheets, sample testing, or volume pricing, please contact our sales team.
