SPD1200N0 905 nm Laser Ranging Module - GST inc

austarsmodel@yahoo.com (Austars Model Pty Ltd) — Thu, 05 Nov 2026 09:13:43 +0800

SPD1200N0 OEM Ranging and Integration

SPD1200N0 is a compact 905 nm laser ranging module with a 0.2–1200 m source-table ranging distance. The source documents UART-TTL communication and a circular housing specific to this model. The specifications, drawings and electrical definitions below remain bound to this model. The technical literature section explains general principles without asserting an undocumented receiver architecture.

MODEL-LEVEL DATA

Detailed SPD1200N0 Specifications

Read the values together with their source conditions. Literature and related-model data do not replace these ratings.

Parameter	Value	Source condition
Laser wavelength	905 nm ±5 nm	SPD1200N0 controlled source technical table
Beam divergence	<4.5 mrad	SPD1200N0 controlled source technical table
Optical material	Aspheric lens	SPD1200N0 controlled source technical table
Receiver aperture	Diameter 6.5 mm	SPD1200N0 controlled source technical table
Ranging distance	0.2–1200 m; maximum 1500 m at night	SPD1200N0 controlled source technical table; strong sunlight or low visibility may reduce range
Ranging accuracy	±0.3 m (D ≤100 m); ±0.3 m + D × 0.7‰ (100 m < D <1200 m)	SPD1200N0 controlled source technical table
Measurement frequency	2–15 Hz or 4–15 Hz, adaptive	SPD1200N0 controlled source technical table; both alternatives appear in the same formal source row
Valid measurement rate	≥98%	SPD1200N0 controlled source technical table
False-alarm rate	≤1%	SPD1200N0 controlled source technical table
Communication interface	UART-TTL (customizable)	SPD1200N0 controlled source technical table
Baud rate	115200 bps (default)	SPD1200N0 controlled source technical table
Supply voltage	3.3–5 V	SPD1200N0 controlled source technical table
Startup time	≤200 ms	SPD1200N0 controlled source technical table
Operating power	Average ≈0.45 W; maximum ≤0.75 W	SPD1200N0 controlled source technical table
Operating temperature	-20�C to +60�C	SPD1200N0 controlled source technical table
Storage temperature	-30�C to +70�C	SPD1200N0 controlled source technical table
Protection rating	IP67 inside lens chamber	Source-stated classification or rating; not independently certified by this page
Laser safety class	IEC Class I	Source-stated classification or rating; not independently certified by this page
Dimensions	Diameter 15.7 × 21.3 mm (round, with sealing groove)	SPD1200N0 controlled source technical table
Weight	≈5 g	SPD1200N0 controlled source technical table
Shock	1000 g/ms (10 times/s along optical axis)	SPD1200N0 controlled source technical table; source test wording retained
Vibration	5–50–5 Hz, 1 octave/min, 2.5 g	SPD1200N0 controlled source technical table
Reliability	MTBF ≥1500 h	SPD1200N0 controlled source technical table

Functional Description

The source lists baud-rate modification as a serial-interface function.

Single ranging measures the target once. For a low-reflectivity target, the source says the module repeats measurements until stable distance data is obtained and reports it through the serial interface.

Repeated-ranging mode performs continuous distance measurement. The functional section states a typical configurable 2 Hz refresh rate and a maximum of 15 Hz; the formal frequency row separately retains both 2–15 Hz and 4–15 Hz alternatives.

Electrical Interface Definition

Pin	Signal	Function
1	GND	Power ground
2	VCC	Positive supply
3	IO (reserved)	Reserved for expansion
4	TXD	Signal output, rangefinder module to host
5	RXD	Signal input, host to rangefinder module
6	SW-SHOT	Function enable; no public default polarity is stated

Check the numbered connector view before wiring. Supply voltage and UART input tolerance are different electrical limits.

Mechanical Dimension Drawing and Electrical Interface Diagram