SPD1200S2 · 905 nm Laser Rangefinder Module
SPD1200S2 datasheet: specifications, range conditions, interface
Every value below is copied from the published SPD1200S2 specification table with its test condition, so you can compare it with other modules on equal terms.
SPD1200S2 key specifications
| Item | Published value |
|---|---|
| Model | SPD1200S2 |
| Published range | Catalog range: 0.2–1,200 m. Sources also report a 1,500 m night-time maximum under special conditions; it is not a guaranteed range. (Strong sunlight or low visibility may reduce range. The night-time row does not state a numeric target reflectivity or visibility condition; confirm performance against your actual target and environment.) |
| Wavelength | 905nm±5nm |
| Interface | UART-TTL, Customizable |
| Accuracy | ±0.3m (≤400m)±0.5m + d × 0.1% (400m＜d＜1,200m) |
| Update rate | 4Hz~15Hz Adaptive |
| Supply | 3.3V~5V |
| Weight | ≤10g |
| Dimensions | Technical tables (current published table, archived factory PDF and archived factory DOCX): 24.6 × 14.45 × 26.3 mm. Archived DOCX mechanical drawing: 24.6 × 13.05 × 26.3 mm. Sources differ; confirm the supplied drawing. |
| Laser safety | IEC CLASS I |
| Price | From $150 per unit |
Full specification table
ERDI published product specifications, captured 2026-10-08.
| Parameter | Published value | Condition / note |
|---|---|---|
| Laser wavelength | 905nm±5nm | |
| Laser Divergence Angle | ＜6mrad | |
| Optical material | Resin aspherical lens | |
| Receiving aperture | 9.0mm × 14.5mm | |
| Measurement range | Catalog range: 0.2–1,200 m. Sources also report a 1,500 m night-time maximum under special conditions; it is not a guaranteed range. | Strong sunlight or low visibility may reduce range. The night-time row does not state a numeric target reflectivity or visibility condition; confirm performance against your actual target and environment. |
| Ranging accuracy | ±0.3m (≤400m)±0.5m + d × 0.1% (400m＜d＜1,200m) | |
| Measurement frequency | 4Hz~15Hz Adaptive | |
| Valid measurement rate | ≥98% | |
| False alarm rate | ≤1% | |
| Interface | UART-TTL, Customizable | |
| Baud rate | Default: 115200bps | |
| Supply voltage | 3.3V~5V | |
| Start-up Time | ≤200ms | |
| Instant Start Current | ≈300mA | |
| Operating Power Consumption | Average ≈0.5W，Max 0.75W | |
| Operating temperature | −20 °C~+60 °C | |
| Storage temperature | −40 °C~+60 °C | |
| Protection Grade | Lens cavity IP67 | |
| Laser safety class | IEC CLASS I | |
| Dimension | Technical tables (current published table, archived factory PDF and archived factory DOCX): 24.6 × 14.45 × 26.3 mm. Archived DOCX mechanical drawing: 24.6 × 13.05 × 26.3 mm. Sources differ; confirm the supplied drawing. | The archived factory PDF mechanical illustration also differs from its own specification table; it is not used to infer a manufacturing envelope. Confirm the applicable model/revision, supplied drawing and connector configuration before design-in. |
| Weight | ≤10g |
Connector pinout
| Pin | Signal | Note |
|---|---|---|
| 1 | GND | Power − |
| 2 | VCC | Power + |
| 3 | I/O (Reserved) | Reserved for expansion |
| 4 | TXD | Signal output port, Ranging Module → Host |
| 5 | RXD | Signal input port, Host → Ranging Module |
| 6 | SW-SHOT | Function Enable (active high) Note: Compatible with active-low control requirements |
Published applications
- Outdoor observation devices
- Civilian surveying instruments
- Outdoor sports equipment
Ordering the SPD1200S2
The published single-unit price of the SPD1200S2 is $150. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: SPD1200S2 model page.
FAQ
What is the maximum range of the SPD1200S2?
The published range is Catalog range: 0.2–1,200 m. Sources also report a 1,500 m night-time maximum under special conditions; it is not a guaranteed range. (Strong sunlight or low visibility may reduce range. The night-time row does not state a numeric target reflectivity or visibility condition; confirm performance against your actual target and environment.). 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 SPD1200S2 use?
The published communication interface is UART-TTL, Customizable @ Default: 115200bps.
What laser wavelength does the SPD1200S2 use?
The published wavelength is 905nm±5nm; laser safety entry: IEC CLASS I.
How much does the SPD1200S2 cost?
The published single-unit price of the SPD1200S2 is $150. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
- SPD1200S2 UART wiring, pinout and protocol
- SPD1200S2 price and ordering
- SPD1200S2 power supply and current
- SPD1200S2 accuracy and range test conditions
- SPD1200S2 dimensions and weight
- UART laser rangefinder modules
- 905 nm laser rangefinder modules
- Class 1 laser rangefinder modules
- surveying laser rangefinder modules
Model records
Open the model page for the full specification table, downloads, published price and ordering.
- SPD1200S2 — SPD1200S2 905 nm Laser Rangefinder Module