Professional Optical Fiber Connectivity Solutions

Cutting-edge AOC USB4, ThunderBolt5/4/3, HDMI, DP, DVI Cables & Modules with up to 40Gbps bandwidth, 8K60Hz, 100W PD, and 300-meter transmission.

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40Gbps

Max Bandwidth

300m

Max Distance

100W

Power Delivery

About LONGONTEK

LONGONTEK is an industry-leading developer and manufacturer of photoelectric transmission products with comprehensive design, R&D, manufacturing, and global sales capabilities. Our R&D team has been deeply involved in optoelectronic transmission technology for over 10 years, recognized as one of the earliest providers of Active Optical Fiber Cable (AOC) solutions.

We deliver standardized and customized solutions to enterprises worldwide, including automotive audio/video, VR/AR/MR, medical imaging, machine vision, underwater photography, and more. With production facilities in China, Vietnam, and Laos, we offer flexible global manufacturing and end-to-end service.

ISO Certified ROHS Compliant CE/FCC Approved

Why Choose LONGONTEK?

Trusted by global partners for reliability, innovation, and quality control.

🔬

10+ Years R&D

Core expertise in optoelectronic transmission technology with continuous innovation.

🛠️

Full Customization

Design and manufacture non-standard signal transmission modules and cables.

🏭

Global Production

Manufacturing bases in China, Vietnam, Laos for flexible supply chain.

✅

Quality Assured

ISO/ROHS/CE/FCC certified with full-process quality control.

Our Product Range

High-performance optical fiber cables and modules for every application.

Optical Fiber USB4 Cable

40Gbps Bandwidth
8K60Hz / 4K144Hz
PD 100W Charging
Up to 30m Length
No EMI/EFI Interference

ThunderBolt 4 Cable

40Gbps Bidirectional
Supports Dual 4K or Single 8K
100W Power Delivery
Compatible with USB4
Up to 30m Transmission

Optical Fiber HDMI 2.1

48Gbps Bandwidth
8K@60Hz / 4K@120Hz
HDR, eARC, VRR Support
Up to 100m Length
Zero Signal Loss

Optical Fiber DP 2.1

80Gbps UHBR20 Support
16K Resolution Ready
DSC Compression
Up to 100m Distance
Perfect for Pro AV

Pure Optical Fiber USB3.1

10Gbps High Speed
Up to 200m Transmission
No EMI/EFI Interference
Type-C / Type-A Options
Industrial Grade

Optical Fiber DVI Cable

Single/Double Link Support
2K/4K@60Hz
Up to 150m Length
Zero Latency
Medical & Industrial Use

USB-C to HDMI 2.1

8K@60Hz Output
USB-C Alt Mode
PD 100W Pass-Through
Up to 30m Length
Plug & Play

AOC Custom Module

Custom Signal Protocols
USB, HDMI, DP, DVI, MPO
OEM/ODM Supported
Low MOQ Available
Global Compliance

Industry Solutions

Tailored optical fiber connectivity for critical applications.

🚗

Car System Link

High-speed infotainment and ADAS data transmission with zero interference.

📞

Video Conferencing

Long-distance 4K/8K video links for boardrooms and hybrid workspaces.

🕶️

VR/AR/MR

Ultra-low latency fiber links for immersive experiences and simulation.

🔬

Machine Vision

High-reliability cables for factory automation and inspection systems.

📸

SLR Camera Link

Long-distance RAW video transmission for broadcast and cinema.

🏥

Medical Systems

EMI-free imaging links for endoscopy, ultrasound, and diagnostics.

🎬

Home Theater

Future-proof 8K HDR connections with invisible cable management.

🌊

Underwater Photo

Corrosion-resistant, long-distance links for ROVs and subsea imaging.

Frequently Asked Questions

What is an Active Optical Cable (AOC)?

An AOC uses optical fibers to transmit data with electrical interfaces at both ends. It combines the high bandwidth and long reach of fiber optics with the convenience of standard electrical connectors like USB, HDMI, or DisplayPort.

How far can your optical fiber cables reach?

Our cables support up to 300 meters depending on the protocol. USB4/Thunderbolt up to 30m, HDMI 2.1 up to 100m, and USB3.1 up to 200m with no signal degradation.

Do your cables support 8K video?

Yes, our USB4, Thunderbolt 4, HDMI 2.1, and DP 2.1 cables all support 8K@60Hz video transmission with HDR and high dynamic range.

Are your products compliant with international standards?

Yes, all LONGONTEK products are certified with CE, FCC, ROHS, and ISO standards, ensuring safety, environmental compliance, and quality.

Can you customize cables for special applications?

Absolutely. We offer full OEM/ODM services with custom lengths, connectors, labeling, and even non-standard protocols upon request.

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