LRF0405C · 1535 nm Laser Rangefinder Module
LRF0405C datasheet: specifications, range conditions, interface
Every value below is copied from the published LRF0405C specification table with its test condition, so you can compare it with other modules on equal terms.
LRF0405C key specifications
| Item | Published value |
|---|---|
| Model | LRF0405C |
| Published range | 4,000 m or more at 30% reflectance and visibility of at least 6 km |
| Wavelength | 1535 +/- 5 nm |
| Interface | UART, 3.3 V TTL level |
| Accuracy | +/-2 m |
| Update rate | Single measurement or 1 to 10 Hz |
| Supply | DC 3 to 5 V |
| Weight | ≤32 ±1 g (notation as printed in the current module table) |
| Dimensions | 48 × 30.5 × 21 mm |
| Laser safety | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. |
| Price | From $400 per unit |
Full specification table
ERDI published product specifications, captured 2026-10-08.
| Parameter | Published value | Condition / note |
|---|---|---|
| Specified minimum range | 15 m or less | |
| 2.3 m x 2.3 m target range | 4,000 m or more at 30% reflectance and visibility of at least 6 km | |
| 0.5 m x 1.7 m human-size target range | 1,200 m or more at 30% reflectance and visibility of at least 6 km | |
| Measurement frequency | Single measurement or 1 to 10 Hz | |
| Multi-target reporting | Up to 3 targets | |
| Ranging accuracy | +/-2 m | |
| Reported range resolution | 0.1 m or better | |
| Valid measurement rate | 98% or higher under specified test conditions | |
| False-alarm rate | 1% or lower under specified test conditions | |
| Laser wavelength | 1535 +/- 5 nm | |
| Module laser-safety statement | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. | |
| Pulse energy | 200 microjoules or more | |
| Beam divergence | 0.6 mrad or less | |
| Transmitter lens diameter | 8 mm | |
| Receiver lens diameter | 16 mm | |
| Connector model | FWF08002-S06B13W5M | |
| Interface | UART, 3.3 V TTL level | |
| Module specification supply entry | DC 3 to 5 V | |
| Interface-table supply entry | 4.5 to 16 V | |
| Power-control input | POWER_ON; module on above 2.7 V and off below 0.3 V, as stated in the current interface table | |
| Standby power | 1 mW or less | |
| Average power | 2.5 W or less at 10 Hz | |
| Peak power | 7 W or less; the current source references 12 V | |
| Dimensions | 48 × 30.5 × 21 mm | |
| Weight | ≤32 ±1 g (notation as printed in the current module table) | |
| Operating temperature | -40 to +70 degrees C | |
| Storage temperature | -55 to +75 degrees C | |
| Impact resistance | Specified to meet MIL-STD-810G testing; confirm method, severity and acceptance criteria for the order | |
| Vibration resistance | Specified to meet MIL-STD-810G testing; confirm method, severity and mounting condition for the order |
Connector pinout
| Pin | Signal | Note |
|---|---|---|
| Pin 1 | Positive power supply; red conductor | |
| Pin 2 | Power ground; black conductor | |
| Pin 3 | POWER_ON control; white conductor | |
| Pin 4 | UART_TX, 3.3 V TTL; yellow conductor | |
| Pin 5 | UART_RX, 3.3 V TTL; green conductor |
Ordering the LRF0405C
The published single-unit price of the LRF0405C is $650, falling to $400 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LRF0405C model page.
FAQ
What is the maximum range of the LRF0405C?
The published range is 4,000 m or more at 30% reflectance and visibility of at least 6 km. A range figure is only comparable together with the target and conditions it was measured on, so the condition is listed next to the value.
Which interface does the LRF0405C use?
The published communication interface is UART, 3.3 V TTL level.
What laser wavelength does the LRF0405C use?
The published wavelength is 1535 +/- 5 nm; laser safety entry: Class I stated in the module document. Final accessible-emission classification applies to the complete configuration..
How much does the LRF0405C cost?
The published single-unit price of the LRF0405C is $650, falling to $400 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.
- LRF0405C — LRF0405C 1535 nm Laser Rangefinder Module