4000m Laser Distance Module RS422

Short Description:

ETYS-40X-JM 4000m distance sensor is a 4km laser rangefinder module from JRT/Seakeda/JCJMLASER, a professional Chinese manufacturer of LRF modules. Optimized for integration, it serves inspection UAVs, vehicle-mounted gimbals and handheld electro-optical systems for reliable long-distance ranging.

Feature

Product Model: ETYS-40X-JM-SKD 4000m Laser Distance Module

Measure Ranging: 15m – ≥4000m for 2.3m*2.3m/ 4500m for building;

Measure Accuracy: ≤±1m – 2m；

Measure Frequency: 1HZ – 10HZ;

Laser Class: 1535nm, Class 1;

Laser Divergence Angle: 0.5mrad-0.6mrad/ OEM

Weight: ≤53g；

Size: ≤50mm*47mm*24mm；

Voltage: DC 4.5V-14V

Interface: RS422/ UART to TTL/ OEM;

Baud Rate: 115200bps (default)/ 9600bps/ 38400bps/ 57600bps.

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Product Detail

Product Tags

The ETYS-40X-SKD 4000m laser distance module is a compact long-range laser rangefinder sensor adopting eye-safe 1535nm laser wavelength, designed for precise long-distance ranging in UAV gimbal payload systems. It supports dual communication outputs of TTL and RS422, featuring a 0.6 mrad laser beam divergence and a 10 Hz measurement update rate, well suited for stabilized turret ranging tasks.

This RS422 laser distance module delivers a maximum measuring range up to 4000 meters with typical ranging accuracy of ±1 m. Its narrow 0.4 mrad – 0.6 mrad beam ensures high target pointing precision and reduces stray reflection interference, critical when the gimbal locks onto distant small targets. The 10 Hz output rate balances real-time response and stable data transmission, while RS422 interface provides reliable long-distance anti-interference data link, and TTL UART enables easy integration with embedded flight controllers. As a Class 1 eye-safe laser device, 4000m distance module meets safety requirements for airborne continuous operation.

With lightweight and compact mechanical structure, the ETYS-40X-JM RS422 distance module can be directly integrated into drone electro-optical gimbal turrets. It synchronizes ranging data with the gimbal’s angle feedback to calculate target geodetic coordinates, supporting terrain survey, perimeter monitoring and target distance tracking. Its stable performance under variable outdoor lighting makes 4000m laser distance module a reliable laser ranging sensor for industrial and surveillance UAV payloads.