Short-range DToF
LRF300H
905 nm Class 1 short-range DToF distance sensor
Ranging envelope
0.05–300 m (90% refl.)
Key parameters
- Ranging range
- 0.05–300 m (90% refl.)
- Accuracy
- ±10 cm (<10 m); 1% (≥10 m)
- Frequency
- 1 kHz or 50 Hz (auto-switch)
- Interface
- UART / I²C
- Envelope
- 33 × 34 × 18 mm
- Mass
- 20 ± 2 g
Published price
$140 USD / unit
Entry-band unit price at the smallest published quantity. Shipping and Incoterms are confirmed in the quotation.




A 20 g, 33 × 34 × 18 mm long-range DToF LiDAR for UAV platforms, tower cranes and traffic early warning — 0.05–300 m with adaptive 1 kHz / 50 Hz output that auto-switches on echo strength.
Designed into
- UAV height & distance
- Tower crane collision prevention
- Traffic early warning
Emitter
905 nm
Verified specifications
Every figure below is published together with the condition it was measured under. Where the source states no condition, the column is left empty rather than filled in.
| Parameter | Value | Condition |
|---|---|---|
| Laser wavelength | 905 nm | Source technical table |
| Ranging range | 0.05–300 m (90% refl.) · 0.05–100 m | 10% refl. |
| Measurement frequency | 1 kHz or 50 Hz — switches automatically to match echo strength | Adaptive · source technical table |
| Ranging accuracy | ±10 cm (<10 m) · 1% (≥10 m) | Source technical table |
| Repeatability | ±5 cm (<10 m) · ±10 cm | 300 m |
| Ambient light immunity | 100 kLux | Source technical table |
| Laser safety class | Class 1 | Source technical table |
| Field of view | ≈ 4 mrad | Source technical table |
| Supply voltage | 9–36 V DC | Source technical table |
| Peak current | 100 mA | Source technical table |
| Average current | 55 mA | Source technical table |
| Average power consumption | 1.2 W | Source technical table |
| Interface | UART / I²C | Source technical table |
| Dimensions | 33 × 34 × 18 mm | Source technical table |
| Weight | 20 ± 2 g | Source technical table |
| Operating temperature | -20 to +60 ℃ | Source technical table |
| Wire specification | 1.25 mm, 5-pin, 50 cm stranded wires | Source technical table |
| Customization | Available in appearance / structure / output protocol | Source technical table |
Pin assignment
| Pin | Signal | Description |
|---|---|---|
| 1 | 9–36V | External power + |
| 2 | Power GND | External power − |
| 3 | Port GND | Ground |
| 4 | TX | Host RX |
| 5 | RX | Host TX |
Engineering references
Where LRF300H is worked through
These are the pages that use this model as a worked example, not a general reading list.
Adjacent models