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Advanced Optical Communication
Solutions by Whandar

Shenzhen Whandar Optical Technology Co., Ltd. delivers high-performance optical transceivers, fiber cables, and industrial networking equipment trusted in data centers, telecom, smart grids, and critical infrastructure worldwide.

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About Shenzhen Whandar Optical Technology

Established in 2009, Shenzhen Whandar Optical Technology Co., Ltd. is a high-tech enterprise dedicated to advancing optical communication and sensing technologies. With over a decade of innovation and growth, we have developed a comprehensive product line serving global markets in data centers, telecommunications, rail transit, energy, and government sectors.

We focus on delivering reliable, high-speed optical interconnection solutions, including optical transceivers, DAC/AOC cables, PON modules, media converters, and industrial switches. Our mission is to become a globally recognized leader in optical communication through continuous R&D and customer-centric service.

15+

Years of Industry Experience

100+

Global Clients

Whandar Facility

Where We Focus

Driving innovation in optical communication and sensing technologies

Fiber Optic Sensing

Fiber Optic Sensing

Innovating advanced fiber optic sensing technologies for precise monitoring and intelligent control in industrial, security, and infrastructure applications. Our FBG-based sensors enable real-time temperature, strain, and vibration detection.

Fiber Optic Communications

Fiber Optic Communications

Leading manufacturer of high-performance optical connectors and transceivers. We provide reliable interconnection solutions for data centers, telecom networks, and high-speed optical systems, supporting speeds up to 800G.

Our Products & Solutions

Comprehensive range of optical communication and industrial networking products

25G SFP28 Module

25G SFP28 Module

High-speed, low-power optical transceiver for data center and enterprise networking applications. Supports 25Gbps transmission over single-mode or multimode fiber.

100G QSFP28 Modules

100G QSFP28 Modules

High-density 100G optical transceivers supporting SR4, LR4, ER4, and PSM4 standards. Ideal for high-performance computing and cloud infrastructure.

400G QSFP-DD Module

400G QSFP-DD Module

Next-generation 400G transceivers using QSFP-DD form factor. Designed for hyperscale data centers requiring ultra-high bandwidth and energy efficiency.

DAC/AOC Cable

DAC/AOC Cable

Direct Attach Copper (DAC) and Active Optical Cables (AOC) for short-reach interconnects. Available in 10G, 25G, 40G, 100G, and 400G variants with breakout options.

PON Modules

PON Modules

Complete line of GPON, EPON, XGSPON, and 10G EPON OLT/ONU modules for fiber-to-the-home (FTTH) and enterprise access networks.

Industrial Switches

Industrial Switches

Ruggedized Ethernet switches designed for harsh environments in rail, mining, oil & gas, and smart grid applications. Supports PoE, wide temperature range, and redundant power.

Media Converters

Media Converters

Fiber-to-Ethernet media converters including mini converters and chassis-based systems for extending network reach and protocol conversion.

MTP/MPO Cable

MTP/MPO Cable

High-density multi-fiber trunk cables with MTP/MPO connectors for 40G, 100G, and 400G parallel optics in data centers. Available in simplex, duplex, and ribbon configurations.

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Why Choose Whandar?

Trusted by global enterprises for reliability, performance, and innovation

High Reliability

Rigorous testing and quality control ensure stable performance in mission-critical environments.

High-Speed Support

From 155Mbps to 800G, our products support the latest high-speed networking standards.

Custom Solutions

We offer OEM/ODM services and tailored optical solutions for specialized industrial needs.

Global Support

Dedicated international sales and technical support team available via email, phone, and WhatsApp.

800G

Max Data Rate

15+

Years in Market

100+

Countries Served

10K+

Modules Shipped Monthly

Frequently Asked Questions

What types of optical transceivers do you offer?

We offer a full range including 1G, 10G, 25G, 40G, 100G, 200G, 400G, and 800G modules in SFP, SFP+, SFP28, QSFP+, QSFP28, QSFP-DD, and OSFP form factors. We also provide CWDM/DWDM, BIDI, and industrial-grade modules.

Do you support custom branding or OEM?

Yes, we provide comprehensive OEM/ODM services including custom labeling, packaging, firmware, and product design based on your specifications.

What is your lead time for orders?

Standard products are typically shipped within 3-7 working days. Custom orders may take 2-4 weeks depending on complexity. We offer expedited options upon request.

Do you provide technical support?

Yes, our technical support team is available via email at [email protected] and by phone/WhatsApp at +86 135 6035 6643 for installation, troubleshooting, and compatibility questions.

Are your products compatible with major brands?

Yes, our optical modules are designed to be fully compatible with Cisco, Juniper, Huawei, HPE, Dell, and other major networking equipment brands.

Get in Touch

Contact our international sales team for inquiries, quotes, and technical support.

International Sales Contact

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