I. 17g 1535nm Eye-Safe Distance Sensor for Aerospace Payloads

A premium micro-sensor designed to deliver unerring distance data for unmanned aerial platforms and tactical optics.

The NLM3000B is an advanced 1535nm DPSS telemetry device engineered to secure a formidable ≥3000m measuring capability against standard vehicles and over 4000m against infrastructure. Weighing an astonishingly light 17g, this UAV laser ranging module drastically cuts payload weight, enabling extended drone flight times. It operates flawlessly across a wide thermal spectrum of -40℃ to +60℃, utilizing built-in protocols to execute sophisticated three-target ranging, distance gating, and temperature acquisition. Fully fortified with IP-grade environmental resilience and PC software SDK support, it stands as the ultimate OEM choice for machine vision, border surveillance, and aerial geomatics.

UAV Laser Ranging Module

1535nm DPSS

17g Payload

Drone Surveying

OEM Integration

II. Strategic Advantages of the UAV Laser Ranging Module

Extreme SWaP Optimization: Confined to a mere 24.6×15.4×30mm and 17g, granting engineers total freedom when embedding into micro-gimbals or handheld optics.
Programmable Ranging Dynamics: Supports configurable continuous measurement rates spanning from 1Hz to 10Hz, accommodating diverse tracking speeds alongside distance selection functions.
Enhanced Close-Quarters Detection: Features a strictly controlled blind zone of ≤10m, eliminating signal saturation during proximate target engagement.
Uncompromising Thermal Stability: Constructed to sustain peak accuracy in harsh environments, functioning reliably between -40℃ and +60℃ with long-life components.
Comprehensive Developer Kit: Supplied with robust PC analytical software, dedicated SDKs, self-checking query functions, and direct serial port firmware updating instructions.

III. Application Focus: UAV Laser Ranging Module Deployments

Drone Laser Rangefinder Modules for Unmanned Aerial Vehicle Payloads

Specifically architected to dominate the aerial telemetry sector, this sensor seamlessly marries with commercial drone gimbals, airborne electro-optical systems, and satellite auxiliary equipment. By continuously feeding high-precision distance metrics through its RS422 interface, it elevates the spatial awareness of autonomous flight systems. Its microscopic 17g footprint makes it the premier choice for aerospace engineers seeking to maximize battery endurance without sacrificing targeting range.

IV. NLM3000B Technical Specifications Matrix

Technical Parameter	Specification Details
Product Model	NTLRB3000B (NLM3000B)
Wavelength & Eye Safety	1535nm \| Class 1 (IEC 60825-1)
Apertures (Transmitter / Receiver)	Φ6mm / Φ15×10mm
Blind Zone	≤ 10m
Detection Range (Building)	≥ 4000m (Reflectivity 60%, RH ≤ 60%, Visibility ≥ 10Km)
Detection Range (Vehicle/Board)	≥ 3000m (2.3×2.3m target, Reflectivity 30%, RH ≤ 60%, Vis ≥ 10Km)
Detection Range (Human/Plate)	≥ 1500m (0.5×1.7m target, Reflectivity 30%, RH ≤ 60%, Vis ≥ 10Km)
Detection Range (Small Target)	≥ 800m (0.2×0.3m target, Reflectivity 30%, RH ≤ 60%, Vis ≥ 10Km)
Accuracy & Hit Rate	≤±1m / ≥ 98%
Ranging Frequency	Single time, 1-10Hz adjustable
Operating / Storage Temperature	-40~+60℃ / -45~+75℃
Communication Interface	RS422
Baud Rate	115200bps (default) / 9600bps / 38400bps / 57600bps
Dimensions & Weight	24.6 × 15.4 × 30mm \| 17g ± 1g

V. OEM Integration & Deep Electrical Interface

Supply Voltage (DC): 3V~5V (typical value 3.3V)
Sleep Power Consumption: ≤ 10mW (Power on pulled down)
Standby Power Consumption: ≤ 0.8W (Power on high)
Working Power Consumption: ≤ 1W@1Hz, ≤ 1.5W@10Hz
Peak Power / Start Peak Current: ≤ 3W@5V / ≤ 600mA@5V
Startup Dynamics: Peak current duration ≤ 300ms (Response time ≤ 20ms after startup)

Host computer cross-linking is established via the FWF08002-S06B13W5M socket on the module and a C-WB0B12H-5-S-N plug.

Pin No.	Name	Function Description
P-1	POWER_ON	Module power switch, TTL_3.3V level; Module ON (> 2.7V), Module OFF (< 0.3V)
P-2	UART_RX	UART receive pin, TTL_3.3V level
P-3	UART_TX	UART transmit pin, TTL_3.3V level
P-4	NC	Not Connected
P-5	VCC	Power supply, 3V~5V
P-6	GND	UART ground

VI. Mechanical and Optical Interface Specifications for 3km Modules

The 17g UAV laser ranging module is housed in an ultra-miniaturized, precision-engineered chassis designed for frictionless mounting in space-critical airborne and automation environments.

NLM3000B 3km UAV Laser Ranging Module Dimensions and Optical Interface

Engineering blueprint detailing the 24.6×15.4x30mm dimensions of the NLM3000B.

Effective Aperture: Tx Ø6mm, Rx Ø15×10mm | Note: Avoid exposure to direct sunlight, rapid temperature shifts, or electrostatic environments. Not for military use.

Optical Window Design: Includes a uniquely shaped 15×10mm reception window and a 6mm laser emission window strictly optimized for 1535nm DPSS output.
Micro Footprint: Maximum mechanical dimensions are rigorously constrained to 24.6 × 15.4 × 30 mm, ideal for drone gimbals.
Integration Note: Engineered for seamless RS422 cross-linking and direct serial port firmware updating.

VII. Universal Adaptability

Far surpassing its primary designation as a 3km airborne sensor, the NLM3000B demonstrates remarkable integration versatility. Its ultra-compact mechanical footprint and adaptable voltage input allow it to transition effortlessly from drone payloads into ground-based robotics, AGV navigation systems, measurement and construction tools, and sophisticated industrial automation networks.