Chinese 
Power Line Ranging
Laser Rangefinders
1.2 KM Laser Rangefinder Module
JV-LRF901FD is an ultra-compact Class 1 eye-safe laser rangefinder module for stable long-distance measurement. It delivers high-accuracy ranging with low power consumption and standard TTL UART port, suitable for handheld devices, UAVs, surveillance, golf and industrial measurement.
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OEM
ODM
Application Scenarios
Golf Ranging
Outdoor Target Ranging
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1.2 KM Precision Ranging & Reliable Measurement
Equipped with a 905±5 nm Class 1 eye-safe laser, the JV-LRF901FD supports ranging distances up to 1200 m under visibility conditions of ≥10 km. It delivers accuracy of ±0.5 m within 80 m and ±1 m beyond 80 m, with a valid measurement rate of ≥98% and adaptive 1–10 Hz measurement frequency for stable field performance.
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Ultra-Compact, Low-Power Integration
With dimensions of ≤25×20×10.5 mm and a weight of ≤6 g, the module is designed for space-constrained embedded systems. A DC 3.3–5 V supply, ≤0.3W standby power and 3.3 V TTL UART interface simplify integration into handheld devices, UAVs, surveillance equipment and industrial measurement systems.
Core Specifications
| Parameters | JV-LRF901FD |
| Representative products |  |
| Eye Safety Class | Class 1 |
| Laser Wavelength | 905 nm ± 5 nm |
| Beam Divergence | ≤3.5 mrad |
| Max. Ranging (Visibility ≥10 km) | 1200 m |
| Minimum Ranging | ≤3 m |
| Ranging Accuracy | ≤±0.5 m (<80 m); ≤±1 m (≥80 m) |
| Valid Measurement Rate | ≥98% |
| Measurement Frequency | Single shot, 1Hz–10Hz adaptive |
| Communication Interface | UART (TTL 3.3 V) |
| Supply Voltage | DC 3.3 V–5 V |
| Standby Power | ≤0.3 W |
| Average Power | ≤0.6 W |
| Peak Power | ≤1 W |
| Dimension | ≤25 × 20 × 10.5 mm |
| Weight | ≤6 g |
| Operating Temperature | -20℃ ~ +60℃ |
| Storage Temperature | -40℃ ~ +75℃ |
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