ERDI LDR80K2 （15KM ）Laser Rangefinder & Target Designator Module
ERDI LDR80K2 （15KM ）Laser Rangefinder & Target Designator Module
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15km Long-Range Precision Laser Solution for UAV Electro-Optical Pods and EO/IR Systems
The ERDI LDR80K2 is a compact high-performance 1064nm solid-state laser rangefinder and target designator module designed for advanced electro-optical systems, including UAV gimbals, airborne pods, vehicle-mounted optical platforms, and coastal/border surveillance systems.
Featuring 80mJ laser pulse energy, high-precision ranging capability, and coded laser illumination technology, the LDR80K2 provides reliable long-distance measurement up to 15 km and laser designation capability beyond 10 km.
With a lightweight structure, low power consumption, RS-422 digital control interface, and excellent environmental adaptability, the LDR80K2 delivers a flexible laser solution for professional users requiring high accuracy, compact integration, and long-range sensing capability.
Key Product Features
1. 15km Long-Range Laser Measurement
The LDR80K2 provides accurate distance measurement for long-range observation and sensing applications.
Ranging Performance
✔ Maximum ranging distance: ≥15 km
✔ Ranging accuracy: ≤5 m
✔ Ranging frequency: 1–20 Hz
✔ Supports up to 3 simultaneous targets
✔ Valid ranging probability: ≥98%
The system provides stable distance data for UAV and electro-optical platforms operating in complex environments.
2. High-Performance Laser Designation Capability
The integrated laser designation system provides precise coded illumination.
Laser Performance:
- Laser wavelength: 1064nm
- Output energy: ≥80mJ
- Designation capability: ≥10km
- Pulse width: 15ns ±5ns
- Beam divergence: ≤0.15mrad
The narrow beam design improves energy concentration and supports accurate long-distance laser illumination.
3. Advanced Coding Technology
The LDR80K2 supports multiple laser coding modes:
Coding Modes:
✔ Precise frequency coding
✔ Time coding
✔ Pseudo-random coding
Coding accuracy:
< ±1μs
The flexible coding capability enables compatibility with advanced optical receiving systems.
4. Designed for UAV Electro-Optical Pods
The compact design makes the LDR80K2 highly suitable for airborne payload integration.
Typical Applications:
UAV Platforms
- UAV electro-optical pods
- Drone surveillance systems
- Long-range aerial observation
- Intelligent sensing payloads
Vehicle-Mounted Systems
- EO/IR turret systems
- Mobile surveillance platforms
- Precision observation equipment
Coastal & Border Monitoring
- Long-distance monitoring
- Target positioning
- Optical surveillance systems
Compact Lightweight Structure
The LDR80K2 is optimized for platforms where payload size and weight are critical.
Mechanical Characteristics
Dimensions:
≤150 × 102 × 55 mm
Weight:
≤850 g
The lightweight design allows integration into compact stabilized gimbals while maintaining excellent ranging and designation capability.
Low Power Consumption & Flexible Integration
Designed for modern electro-optical platforms:
Electrical Features
Power supply:
DC 20–28V
Average power consumption:
≤55W
Peak power consumption:
≤100W
Communication:
RS-422
External synchronization:
RS-422 differential interface
Advanced Operating Modes
The LDR80K2 supports flexible mission operation.
Short-Duration Designation Mode
- Irradiation time: 17 seconds
- Interval: 30 seconds
- Up to 8 continuous cycles
Long-Duration Designation Mode
- Irradiation time: 60 seconds
- Interval: 45 seconds
- Up to 4 continuous cycles
Continuous Ranging Mode
- Operation time: 90 seconds
- 20Hz continuous ranging capability
Environmental Reliability
The LDR80K2 is designed for demanding outdoor applications.
Temperature
Operating:
-40°C to +60°C
Storage:
-45°C to +65°C
Humidity
Damp heat:
- Temperature: +35°C ±2°C
- Relative humidity: 95% ±3%
- Duration: 72 hours
Shock Resistance
Test condition:
- Half-sine pulse
- 11ms duration
- 10g shock capability
Tested along:
- X axis
- Y axis
- Z axis
Vibration Resistance
Designed to withstand:
- UAV flight vibration
- Transportation vibration
- Takeoff and landing impact
Test profile:
5Hz–16Hz:
1.5mm displacement
16Hz–60Hz:
1.5g acceleration
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | LDR80K2 |
| Product Type | Laser Rangefinder & Target Designator |
| Laser Wavelength | 1064nm ±1nm |
| Pump Mode | Side-pumped Semiconductor Pumping |
| Laser Energy | ≥80mJ |
| Designation Range | ≥10km |
| Ranging Range | ≥15km |
| Ranging Frequency | 1–20Hz |
| Designation Frequency | Fixed Frequency 20Hz |
| Ranging Accuracy | ≤5m |
| Valid Measurement Rate | ≥98% |
| Pulse Width | 15ns ±5ns |
| Beam Divergence | ≤0.15mrad |
| Energy Stability | ≤8% RMS |
| Communication Interface | RS-422 |
| External Trigger | RS-422 Differential |
| Power Supply | DC20–28V |
| Average Power | ≤55W |
| Peak Power | ≤100W |
| Dimensions | ≤150×102×55mm |
| Weight | ≤850g |
| Operating Temperature | -40°C to +60°C |
Electrical Interface
Communication Interface
RS-422 digital communication interface.
Supports:
- Remote control
- Status monitoring
- Parameter configuration
- External synchronization
Connector
Main connector:
J30J-21ZKP
Power connector:
J30J-04ZK
Why Choose ERDI LDR80K2?
✔ 15km long-range measurement capability
✔ 10km+ laser designation capability
✔ Lightweight ≤850g design
✔ Compact UAV payload integration
✔ Multiple laser coding modes
✔ RS-422 digital control
✔ High environmental reliability
✔ Professional optoelectronic system solution
Typical Applications
- UAV Electro-Optical Pods
- Drone Surveillance Systems
- Airborne EO/IR Platforms
- Vehicle-Mounted Turret Systems
- Coastal Defense Monitoring
- Border Security Systems
- Long-Range Optical Sensing Equipment
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ERDI Pre-Sales Notice
OEM / ODM / OBM Services
ERDI supports full-range customization including:
- OEM (Original Equipment Manufacturing)– Products manufactured under your brand or part number.
- ODM (Original Design Manufacturing)– Custom optical or mechanical design based on your specifications.
- OBM (Original Brand Manufacturing)– Private-label solutions with our in-house R&D and branding support.
We provide technical co-development, logo engraving, packaging customization, and batch production services to meet both small-scale and mass-production requirements.
Global Presence and Trade Reliability
ERDI has established official stores on leading global platforms including Amazon, Alibaba International Station, and Made-in-China.com, allowing customers worldwide to purchase safely and conveniently. We are a verified and trusted factory, not a reseller, and we ensure that all transactions, quotations, and logistics follow transparent and secure trade practices.
Sample and Lead Time
To help customers evaluate our products and performance, we offer sample orders for most product categories.
- Standard samplesare typically delivered within one week after order confirmation.
- Customized modulesmay require additional processing time depending on design complexity and optical requirements.
Our logistics team will provide real-time tracking and documentation for every shipment.
Technical Support and Service System
ERDI maintains technical service centers and distribution partners worldwide, enabling rapid customer response.
We provide:
- Comprehensive technical consultation and project evaluation
- One-on-one on-site technical assistanceat the customer’s facility when required
- Lifetime after-sales supportand technical maintenance guidance
Each laser product is delivered with a full set of user documentation, including Laser Module Usage Precautions and Safety Guidelines.
Quality Assurance and Warranty
ERDI implements strict multi-stage quality control throughout production:
- Incoming material inspection
- Optical alignment verification
- Output power and wavelength calibration
- Safety and durability testing under standard conditions
We guarantee that all products leaving our factory meet design and performance specifications.
Except for man-made damage, we will replace any defective unit within one year free of charge and provide lifetime maintenance support thereafter.
For more details, please refer to our After-Sales Service & Warranty Policy.
Communication and Order Confirmation
To ensure efficient service, please confirm the following before placing an order:
- Product model, wavelength, output power, and working voltage/current
- Whether you require custom mechanical dimensions, optical configurations, or driver circuitry.
- Packaging, labeling, and shipping preferences.
- Any specific export or compliance documentation needed for your country.
Our sales engineers will provide an official quotation and delivery schedule upon confirmation of all specifications.
After-Sales Service & Warranty Policy
Customer Support
For technical assistance, warranty claims, or safety inquiries, please contact our official service team through the contact information listed onerdicn.com.
Our support engineers will provide professional guidance on installation, alignment, safety, and maintenance procedures.
Product Origin and Quality Assurance
- All ERDI products are manufactured directly by the factory, ensuring consistent quality and full traceability.
- We provide a diverse rangeof laser modules and laser distance measurement modules to suit various industrial, educational, and research applications.
- Every product is tested and inspectedbefore shipment to guarantee that it meets specification standards.
Return and Exchange Policy
- Customers may request a return or exchange within 30 daysof receiving the goods, provided that:
- The product remains in original condition, unused, and without affecting secondary sales.
- A valid reason for return or exchangeis provided.
- Upon approval, we will replace or refund according to our service policy.
- The buyer is responsible for shipping costsassociated with returns, exchanges, or repairs, based on international freight cost rules.
Warranty Coverage
- The main functional componentsof ERDI laser products are covered by a 2-year warranty from the date of purchase, excluding cosmetic appearance.
- Within the first 12 months, if a verified manufacturing defect occurs, we will replace the item with a brand-new productfree of charge.
- Replacement of cosmetic or housing components (e.g., enclosure, labeling, or exterior parts) may incur a reasonable cost feebased on material expenses.
- Warranty does not cover:
- Damage due to misuse, improper installation, or modification.
- Operation outside the recommended power supply or temperature range.
- Accidental or physical damage, including drops, fire, or liquid ingress.
Receiving Inspection
- Upon delivery, please inspect the parcel immediately in the presence of the courier.
- If there is any quantity discrepancy, visible damage, or mismatch, do not signthe delivery receipt.
- Once the package is signed for (by you, family, or colleagues), it is considered accepted as correct and complete.