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ERDI LDR20K1 1064nm Laser Rangefinder & Designator for UAV and Ground Applications

ERDI LDR20K1 1064nm Laser Rangefinder & Designator for UAV and Ground Applications

¥14,500.00 USD
¥14,500.00 USD
Sale Sold out
Taxes included.

The LDR20K1 is a lightweight 20 mJ, 1064 nm laser target designator/rangefinder module optimized for airborne and gimbal-mounted electro-optical systems. It combines single and continuous ranging up to 3 km with precise frequency-coded 20 Hz laser designation, ±1 m accuracy and ≥ 98% acquisition rate. A compact 92 × 67 × 53 mm form factor, ≤ 290 g mass, 20–28 V power supply and RS-422 digital interface make it easy to embed into UAV turrets, targeting pods and other advanced platforms, while full environmental hardening, vibration and shock qualification ensure reliable operation in demanding mission profiles.

Technical Specifications

Operating modes

Ranging, designation

Pump source

Diode array

Operating wavelength

1.064 μm (1064 nm)

Pulse energy

≥ 20 mJ

Pulse energy stability

Within a single designation cycle, single-pulse energy deviation ≤ ±10% (after 2 s of emission)

Beam divergence

≤ 0.6 mrad

Pulse width

10 ns ± 5 ns

Laser optical-axis stability

≤ 0.05 mrad

Ranging performance

Ranging frequency

1 Hz / 5 Hz / single-shot

Continuous ranging

1 Hz: ≥ 5 min; 5 Hz: ≥ 1 min

Measurement range

300 m to ≥ 3,000 m (vehicle-sized target)

Ranging accuracy

±1 m

Detection rate

≥ 98%

Dimensions

≤ 92 mm × 67 mm × 53 mm

Weight

≤ 290 g

Designation performance

Laser code accuracy

≤ ±2.5 μs

Designation frequency

20 Hz fundamental (supports user-defined coding)

Environmental Adaptability

Operating temp

–40°C to +55°C

Storage temp

–45°C to +70°C

OUTLINE DIMENSION

PIN INTERFACE

Communication Interface: RS422.

Connector model and interface definition:

Socket: MOLEX 53048-0810

Matching plug: MOLEX 51021-0800

Pin No. Signal Name Description

1

Vin

Power supply +(24V)

2

Vin

Power supply +(24V)

3

GND

Power return (–)

4

GND

Power return (–)

5

RX1+

Host Computer -> Laser Range & Illumination Unit (422-RX+)

6

RX1-

Host Computer -> Laser Range & Illumination Unit (422-RX-)

7

TX1-

Laser Range & Illumination Unit -> Host Computer (422-TX-)

8

TX1+

Laser Range & Illumination Unit -> Host Computer (422-TX+)

External Trigger

1

TBI

External Trigger + (Rising edge trigger)

2

TBG

External Trigger -

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ERDI Pre-Sales Notice & Customer Information

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.