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Santa Clara, CA, USA — February 2026

Introducing FireNEX^TM-U4F20G

Newnex is exited to announce the release of FireNEX™-U4F20G, an innovative 20Gbps USB fiber optical repeater for extended connection range with high-performance USB data transfer. For hosts with a USB4 or Thunderbolt USB-C port, it transports the USB signal via optical transmission (EMI free) to the Remote Unit that has two USB 3.2 Gen 2 Type-A ports, each supporting up to 10Gbps data rate.

With its excellent signal integrity, FireNEX™-U4F20G extends the connection distances up to 700m for USB 3.2 Gen 1 (5Gbps) and 300m for USB 3.2 Gen 2 (10Gbps), far exceeding the limits of typical passive USB cables, which are normally less than 2 meters.

Key Features:

• Long-distance high-performance USB extension over fiber
• Delivers up to 20Gbps aggregate USB bandwidth
• Works with USB4 and Thunderbolt USB-C host systems
• 2 × USB 3.2 Gen 2 Type-A ports, each supporting up to 10Gbps
• EMI-free optical transmission for professional fields
• Universal support for Windows, macOS, and Linux

Applications:

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