Preliminary Understanding of Tethered Drones
17/05/2025
Tethered Drone Tethered drone technology first entered the commercial sector in 2016 and is now regarded by many professionals as
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Senior Engineer, Yilin
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Our team has been using ERDI products. They provide excellent services and can quickly solve the technical problems of the products. In particular, the perfection of their entire industrial chain in the field of distance measurement has greatly facilitated our secondary development
We are very grateful to the technical engineers of ERDI for their on-site technical guidance at our company. Their visit has accelerated the research and development of our unmanned aerial vehicle (UAV) system. The products of ERDI have demonstrated remarkably stable performance.
We're extremely thankful to ERDI's engineers for coming to our office for detailed product training. Their expertise in communication modules has been a huge boon for our telecom project. The ERDI communication products we've incorporated into our system have shown outstanding stability, significantly enhancing the efficiency of our R & D work.
FAQ
We are a national high-tech enterprise in China. For each product, we cover the entire industrial chain, ranging from research and development to manufacturing, and then to technical service solutions.
We provide samples and will try our best to keep the fees as low as possible. If you are our regular customer, we will offer some free samples.
You can contact sales online to get latest price; Or you can leave message to us. Our sales will contact you as soon as possible. And the price we provide is normally FOB price.
We accept payments via T/T, PayPal and LC.
Our minimum order quantity is 1 pc.
Please contact sales to confirm if we still have goods in stock. If yes, we will ship goods to you in one week time after we receive your payment. If not, please confirm with sales.
Usually we ship goods to customer via express, such as DHL, FedEx, UPS, TNT or airway transportation. You can also ask us to send goods to your forwarder in China. And we will pay domestic freight.
Yes, we provide OEM/ODM service. Lead time of customized products need to be confirmed with sales. Usually we will ship products after 2 months time after we receive customer’s payment.
Our skilled and friendly salesmen are ready to answer your questions about our products and services at any time, from product selection to application. Free technical consultation services are offered by request. Our experienced engineers are here to cooperate with you on your special requirements or OEM designs.
The specifications of our products are subject to change without notice. Please ask necessary questions before you order.
Laser products are warranted to conform to ERDI’ s published specifications and to be free from defects in materials and workman-ship for a period of twelve months starting on the shipping date. ERDI will repair or replace (at our decision) ASAP without charge, any part(s) found to be defective during the warranty period.
Our warranties do not cover damages due to misuse, negligence or accidents or due to installations, repairs or adjustments not authorized by ERD.
If a problem occurs and can’t be solved by phone, fax, or email, you may return products to ERDI. Please contact us for a Return Material Authorization (RMA) number prior to shipping the laser. We’ll provide you details on shipping and customs information with the RMA number. All lasers and components should be carefully packed to avoid damage during shipment.
Industry News
Welcome to our Industry News section, where we bring you the latest updates, breakthroughs, and trends in laser rangefinder technology.
Fiber Laser VS Solid-state Laser
02/05/2025
I. Technical Principles and Performance Differences ① Gain MediumThe fiber laser uses a rare-earth-doped glass fiber as the gain medium.
Laser Distance Measuring Simulator Introduction
26/04/2025
01 Product Features Alaser rangefinder simulator is used to test the accuracy, power, and other important indicators of a laser
Laser Ranging Technology – Laser Pulse Ranging Knowledge Sharing
26/04/2025
Laser ranging is a major category of laser technology applications. In production practices and scientific research, the issue of measuring
Synchronization segments in JTIDS from coarse to fine synchronization
26/04/2025
Data Link-16 is used to exchange real-time tactical data between combat forces. Compared to Link-11 and Link-4A, significant improvements have
Drone + Optical Pod: Four Light (Visible + Thermal Imaging + Wide Angle + Laser Ranging) Pod Technology Details
26/04/2025
With the increasing maturity of drone technology and the emergence of diversified application needs, the electro-optical pod, as one of
Multispectral imaging techniques and camera selection
26/04/2025
Multispectral Camera Technology The first multispectral systems were either used for space science imaging or for analyzing and digitizing paintings
Design of a laser rangefinder for automotive use
26/04/2025
Abstract: Laser distance measurement includes three methods: pulse ranging, phase laser ranging, and pulse-phase laser ranging. The structural principles of
An overview of the application of optoelectronic science and technology in the military field
26/04/2025
PREFACE The application of photoelectric science and technology in the military field is mainly reflected in information acquisition, information transmission,
Why do snipers still use optical rangefinders that require tedious calculations even though there are laser rangefinders?
26/04/2025
In the evolution of sniper rifles, the method of range estimation has always been a crucial factor – without precise